3 . I had always hoped to travel to Hawaii but couldn’t afford it. By chance, a friend _________ “pet sitting”, a service to help look after pets when owners are away from homes. I quickly began _________ opportunities on a pet sitting website. There were only a couple of sits available, but I tried my luck, sent an _________, waited a few days and _________ landed a three-month job in a beautiful house.

A month into my sit. I had explored the _________ pretty well. Impressed by such a beautiful island, I decided to start a travel blog to share the beautiful beaches. _________, for every photo of a beautiful beach there were 10 photos of rubbish. It was not _________ for me to ignore (忽视) the plastic pollution _________. So I began to share photos of the rubbish I _________ and how much I could __________ on my daily dog walks. The blog was used to raise __________ and highlight plastic-free travel.

I changed my way of living and even my __________ to adapt to more organic foods without plastic packaging. It’s been over three years now and I __________ to do what I can.

This journey has led me to some amazing __________ polluted places, and I have even organized some country-wide beach clean-up activities. My __________ now is to keep ongoing.

4 . Pangolins (穿山甲) are the world’s most heavily poached (偷猎) mammal. And three out of four Asian pangolin species are critically ________ now — heavy demands for their meat, scales, and blood have ________ them with extinction.

Growing up near Cue Phuong National Park in Vietnam’s Red River Delta, Thai Van Nguyen had been accustomed to seeing dead pangolins. ________, everything changed when he witnessed his neighbor killing a baby pangolin. It was then that his ________ to save pangolins was ignited. And he knew the biggest ________ would be shifting the mindset and habits of the Vietnamese people.

To change the fate of the pangolins, Nguyen set out to ________ the public on the importance of pangolin conservation. His efforts ________ a series of outreach and education campaigns: he published research in peer-reviewed journals, attended international workshops, and developed Vietnam’s first reintroduction and tracking programme for pangolins.

Then Nguyen founded Vietnam’s first Asian Pangolin Rehabilitation Center. So far it has managed to ________ and release nearly 500 pangolins and has ________ to rescue other species like turtles.

In 2018, Nguyen ________ his work, creating Vietnam’s first-ever anti-poaching unit, which has destroyed 9,701 animal traps, and arrested 558 people for poaching — leading to a significant ________ in illegal activities in Vietnam.

Nguyen devotes his life to ________ pangolins, bringing global awareness of pangolins’ ________. He hopes his deeds will bring pangolins back to their rightful place in the forest. “It’s my greatest joy that I can really make a ________,” he said. And it is this devotion that ________ won him the Goldman Environmental Prize for grassroots activism in 2021.

5 . My name is Miranda Gibson. I have been at the top of a tree for five months now. Some people might wonder________on earth I would choose to do that.

I have walked through this forest many times. On December 12, 2011, ________rolled into the forest and the destruction (摧毁) began. I couldn’t________the thought that these forests would be________ forever. So, on December 14, 2011, I packed up my life, ________of my job plans, and climbed 60 meters to the top of this tree. I have been here ever since.

Life in the tree top can be________at times. I have times when I feel frustrated (沮丧的) and wish I could________, to anywhere, just have a ________of scenery for a minute! There are times too, when I feel terribly________.I miss my friends and family.________these times, I find myself loving the________.

Living on the tree has been inspiring. I am willing to________ here for as long as it takes,________I honestly hope it won’t be too________before I can put my feet on the ground below and stand in a forest that will never be________.

6 . I fell in love with Yosemite National Park the first time I saw it. My parents took us there for camping. On the way out, I asked them to wait while I ran up to El Capitain, a_________rock of 3,300 feet straight up. I touched that giant rock and knew_________I wanted to climb it. That has been my life’s passion(热爱) ever since—_________the rocks and mountains of Yosemite. I’ve long made Yosemite my_________.

About 15 years ago I started seeing a lot of_________, like beer cans, empty boxes, around the area. It’s beyond me why visitors started respecting the place_________and treated such a beautiful home-like place this way.

I tried_________trash(垃圾) myself, but the job was too big. I would_________an hour or two on the job, only to find the area trashed all over again weeks later. Finally, I got so tired of it that I decided something had to change.

In 2004, together with some climbers, I set a date for a_________. On that day, more than 300 people__________. Over three days we collected about 6,000 pounds of trash. It was amazing how much we were able to__________. I couldn’t believe the__________we made—the park looked clean!

Each year volunteers come for the cleanup from everywhere. In 2007 alone, 2,945 people picked up 42,330 pounds of trash.

I often hear people__________about their surroundings. If you are one of them, I would say the only way to change things is by__________rather than complaining. We need to teach by__________.

9 . Some of the greatest problems we face today are concerned with the gradual destruction (破坏) of our environment through overuse of our _________. So my family do what we can. We take cloth bags to stores instead of using plastic bags. We walk where we don’t have to _________.

But when I’m the only one with a cloth bag in line at the grocery store, I ask myself: Does it do any good?

I recently found the answer from flamingos (火烈鸟). These beautiful birds gather in _________ groups of a thousand or more. Every year, when the time comes for migration (迁徙), a few flamingos start the process by _________ from the lake. But _________ of the others seem to notice, so the tiny group returns.

However, the next day they _________ again. This time a few more struggle along with them, but the vast majority _________ no attention, so these pioneers come back.

The trend continues for several more days. Every time a few more birds join in but, _________ the thousands of others still take no notice, the great migration plan is once again _________.

Then one day, things __________. The same small group of birds takes wing and a tiny number more join in, just as before. This time their total number is enough to tip the balance (扭转局势). As one, the whole group takes flight and the migration __________.

A few can make a __________. It’s true that all of the great problems of the world have been solved because of the __________ efforts of a few.

If you believe in a cause (事业), don’t __________. Others will someday notice and __________ we will solve even our greatest problems.