练习册

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    A.when B.before C.and D.but 答案 : 1. A 2. D 3. D 4. C 5. B 6. A 7. B 8. D 9. C 10. A 13 ☆☆ The children were leaving school when they saw a truck . Suddenly a bag of rice 1 the truck . It landed in the middle of the road . A man on a motorbike 2 too fast . His motorbike hit the bag and the man fell off . Two boys 3 the man to the gate keeper’s room and the girls went round the corner 4 the fraffic . The gate keeper and Lin Tao 5 the bag . Then Li Lei ran 6 the school and told Miss Zhao about 7 accident . 8 a medicine box under her arm Miss Zhao hurried off to look 9 the man . At the same time Li Lei 10 the police . What good children . 【查看更多】

     

    题目列表(包括答案和解析)

    ---How long have you known the doctor ?  

    ---_________he helped me three years ago.

    A. When　           B. Before　          C. Because             D. Since

     

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    —How long have you known the doctor ?

    —          he helped me three years ago.

    A. When　        B. Before　         C. Because      D. Since

     

     

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    —How long have you known the doctor ?

    —          he helped me three years ago.

    A. When　        B. Before　         C. Because      D. Since

     

     

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    We waited here________ the rain stopped.(　)

    A. when　　　　　　　　　　　　　　　　   B. after

    C. until　　　　　　　　　　　　　　　　　　 D. if

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    We have lived here ______five years ago.

    A. when　　　　　　　　　　   B. since　　　　　　　　 C. before　　　　　　   D. after

     

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