A young couple moved to an apartment. On the first morning in their new home, the wife looked     1     the window and watched her neighbor     2     sheets out to dry. ''What dirty sheets! '' she thought to     3    . ''Maybe I should go and teach her to     4     them properly. '' Every few days she said the     5     thing to her husband while watching her     6     hanging out the dirty sheets in the early morning light.

A month passed, and one day the wife was     7     to see that her neighbor was hanging out perfectly clean sheets. She     8     to her husband, ''Look! She     9     learned to do her washing! ''The husband replied, ''Well, in reality, darling, I got up early this morning and     10     the window. ''

9 .

Brian was not good at speaking in public. One day he was invited to make a speech at a church. His youngest sister in his family. Ann, knew he was nervous and tried to calm him     1    . Don’t worry! Everything will be fine.     2     the day came, Brian’s car had an accident     3     the way to the church.     4    , he was not badly hurt and arrived at the church on time. After a few minutes , he began his speech, but he was so nervous     5     he dropped his book. Many people thought he would run,     6     he went on. Suddenly, people saw something     7    running down from his nose: Blood! He stopped speaking when he saw the blood. But after a few     8    , he still tried his speech, Then Ann quietly moved to the front and handed him her handkerchief. Then she gave him a smile and returned     9     her seat.

It was a really simple gesture, and might be the simplest. She just saw     10     in need and gave him a hand. In the end, Brain finished his speech, with more confidence.

10 . A desert doesn’t sound like the most promising place to plant a tree．Yet，since 1978，China has planted at least 66 billion of them across its arid northern territories，     1     (hope)to transform its sandhills into a Great Green Wall．

The tree-planting strategy is     2     massive attempt to help fight desertification(荒漠化)．    3     (Rough)a million square miles of China—a quarter of the country—is covered in sand．Many scientists are skeptical planting trees will make a difference in the long run．But China’s State Forestry Administration claims the measure     4     (reduce)sandstorms by 20 percent and desertification by nearly 5,000 miles in recent years．

Ian Teh lives in Malaysia but     5     (work)throughout Asia，documenting humans’ influence     6     the landscape．Over six days in May 2016，he photographed tree-planting     7    (plan) in the Gobi Desert in northern China．They seemed to be     8     (Success)in places like Duolun County，some 220 miles north of Beijing，    9     the government has planted 2．6 million trees over the past 17 years．The place felt almost grassy．“To be honest，    10     was hard to imagine it was ever a desert at all，”he says．