You get to choose: Do you want to use your life to make the world a better place     1     people, animals and the environment? Do you want to make Roots & Shoots rooted in everyone’s heart? Do you want to be a part of a community for a     2    (share) future? You cannot be absent. It is by    3    (act) together, in this exciting way, that we can involve thousands — millions — of people, and this is     4     is going to change the world.

Ancient Rome began as a small village, possibly     1     (build) in the 8th century BCE, which then grew to become one of the most powerful civilizations in history.

The Romans developed their own system of writing numbers     2     (call) Roman numerals. We still use Roman numerals today on clock faces.

The Romans were also excellent engineers and architects who built impressive stadiums, temples and statues. They also built many hard-surfaced roads to other countries and       3     (develop) advanced heating systems.

When we talk about ancient Greece,     1     (know) as “the birthplace of Western civilization”, we usually mean the years between 800 BCE and 146 BCE when there was a lot of cultural, social and scientific progress.

Ancient Greek literature and poetry are still popular today. You can find Greek myths (神话)     2     (study) by school children worldwide. The Olympic Games,     3     (hold) in Greece in 776 BCE for the first time, still take place every four years.

Today, there are groups of native people around the world that still live a traditional lifestyle. Some live in remote parts of South America,     1     way of life is in danger of disappearing. The Korubo are native people who live in the Amazon rainforest. They make their own tools, grow their own crops, and hunt and fish. Their main weapons are clubs and poison-tipped arrows, used     2     both hunting and protecting their territory against     3    (outsider).

How do you count 1.3 billion people in the middle of a pandemic? China, as the world's most populous country, will launch its seventh     1     ( nation) census (人口普查) on November 1.

According to state-run news agency Xinhua, the huge undertaking will see around 7 million census     2     (worker) spread out across the country,     3     ( collect) names, ID numbers, gender, marital details, as well as education and professional information.

As well as traditional methods, citizens will also     4     ( recommend) using cell phones and other digital tools     5     (declare) personal and family information.

China conducts its census every 10 years. The last survey     6     (find) the population had increased from 1.29 billion to 1.37 billion. Last year, the country's birthrate hit its     7     (low) level since the founding of the People's Republic     8     1949. The statistics also revealed that more than 250 million Chinese were over 60 years old last year,     9     make up more than 18% of the population. The figure is forecast to rise to a third of the population by 2050 — or 480 million people.

This year's census may even show a decrease in     10     total size of the population for the first time in decades, setting the stage for India to overtake China as the world's most populous country.