题目内容

13. The bridge ( ) by the time you come back from abroad.

A. will be built
B. is built
C. will have been built
D. have been built

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14. The children have already learnt from chemistry that water ( ) up of hydrogen and oxygen.

A. is made
B. was made
C. made
D. is making

15. She got angry with us and ( )the room without saying goodbye.

A. leaves
B. was leaving
C. left
D. had left

16. I ( ) to repair the car while you were watching TV.

A. am trying
B. try
C. tried
D. was trying

17. They ( ) in the suburb when she was only a child.

A. lived
B. live
C. have lived
D. are living

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