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1. After school the students _______ (take) their bags and went home. 2. It often _______ (take) me half an hour _______ (get) to the post office. 3. _______ (be) your friends at school last week？ 4. We will go to the movies if it _______ (not rain) tomorrow afternoon. 5. When we _______ (arrive) at the station， the train had already left. 6. Our P.E. teacher _______ (be) in the Party for ten years. 7. Im sorry _______ (keep) you waiting for so long. 8. The heavy rain stopped us from _______ (go) swimming. 9. I didnt know she preferred reading to _______ (play). 10. I _______ (put) my keys here just now. But I cant find them now. 11. Li Lei _______ (carry) water for Aunt Mary at times. 12. Sue _______ (have) supper at half past six every day. 13. She _______ (go) to the cinema with her friends tomorrow evening. 14. Beth isnt here. She _______ (go) to Beijing. 15. My mother _______ (do) some cooking when I came in. 【答案详解】 1. took。and连接两个并列谓语，后一个动词用过去式，那么前一个动词也用过去式。 2. takes， to get。根据句意到邮局常花我半小时的时间，可确定第一空用一般现在时，且主语是it，故动词用takes。在句型It takes sb some time to do sth中，第二空用不定式to get。 | 
