三、用所给词的正确形式填空。(10分)

　　1. The boys like to listen to music when they do ______ (they) homework.

　　2. My mother's work is _____ (make) our city safe.

　　3. One day, Mr Green asked Mrs Green ______ (go) shopping for him.

　　4. We would brush our _______ (tooth) twice a day.

　　5. This book is the lightest and ______ (thin) of all the books.

　　6. She is ______ (good) than Alice at swimming.

　　7. Janet ______ (get) up at 7:30 a.m. every day, so she is always late for school.

　　8. I think the ______ (four) lesson is the most difficult in this book.

　　9. Look at the sign. The library is _____ (close) from 1:00 p.m to 2:00 p.m.

　　10. Jason is used to ______ (watch) TV the whole night.

　　四、按要求完成下列句子。(10分)

　　1. We are making a model plane. (变成一般疑问句)

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　　2. The boys are sitting under the tree. (对划线部分提问)

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　　3. Look out of the window. (改为否定句)

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　　4. We can see some birds over there. (对画线部分提问)

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　　5. The children have some apples. (改为单数句子)

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