用括号内所给单词的适当形式填空。

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.
孤鹤一山人 1年前 已收到1个回答 举报
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woyaoqubj 幼苗

共回答了22个问题采纳率：90.9% 举报

1. done 2. libraries 3. has changed 4. saying 5. to play

1年前

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