Ⅰ. 用括号内所给单词的适当形式填空。
1. To protect natural wonders, we must stop ( pollute ) the environment.
2. Many students have different ( hobby ) like calligraphy and hiking.
3. Linda often ( volunteer ) at an animal shelter on weekends.
4. After failing the maths test, Tom felt ( sad ) than he expected.
5. He is a famous Chinese ( write ) and his books are popular worldwide.

1. polluting 2. hobbies 3. volunteers
4. sadder 5. writer

Ⅱ. 根据句意及首字母提示补全单词。
1. Teenagers should learn to m their time well between study and hobbies.
2. My teacher gave me a useful s on how to deal with study stress.
3. Please speak more c so that everyone can follow your ideas.
4. The temperature will stay b zero tomorrow, so we need to wear thick clothes.
5. As u , I go to the library to read books after school every Friday.

1. manage 2. suggestion 3. clearly
4. below 5. usual

Ⅲ. 选择方框中的短语并用其适当形式填空。
help out get lost go off make preparations pull together
1. We should for the coming sports meeting as early as possible.
2. When people in the mountain, they should stay calm and call for help at once.
3. My alarm clock didn’t this morning, so I was late for school.
4. All the students in our class to win the basketball match last week.
5. We can at the old people’s home on weekends to care for the elderly there.

1. make preparations 2. get lost
3. go off 4. pulled together
5. help out