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when 和 while 用法区别专项练习
讲解三例句:
1. The girls are dancing while the boys are singing. 2. Kangkang ’ s mother is cooking when he gets home. 3. When/While Kangkang ’ s mother is cooking, he gets home. 一、用 when 或者 while 填空
1.______ Margo was talking on the phone, her sister walked in. 2.______ we visited the school, the children were playing games. 3.______ Sarah was at the barber’s, I was going to class. 4.______ I saw Carlos, he was wearing a green shirt. 5.______ Allen was cleaning his room, the phone rang.
6.______ Rita bought her new dog; it was wearing a little coat. 7. He was driving along ________ suddenly a woman appeared. 8. _____ Jake was waiting at the door, an old woman called to him. 9. He was reading a book ______suddenly the telephone rang. 10. ______ it began to rain, they were playing chess.
二、用所给动词适当形式填空
11. While Jake __________ (look) for customers, he _______ (see) a woman.
12. They __________ (play) football on the playground when it _____ (begin) to rain. 13. A strange box ________ (arrive) while we _________ (talk).
14. John ____________ (sleep) when someone __________ (steal) his car. 15. Father still
(sleep) when I
(get) up yesterday morning. |
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