问题
填空题
用括号内所给单词的适当形式填空。
1. Have you _____ (do) anything to keep the water clean?
2. Project Hope has built schools and _____ (library).
3. Our city _____ _____ (change) a lot since 2001.
4. The girl left the classroom without _____ (say) anything.
5. All of us want to know how _____ _____ (play) compute
r games.
答案
1. done 2. libraries 3. has changed 4. saying 5. to play