题目内容

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

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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

18. I will be very glad to go to the picnic if the weather ( ) fine tomorrow.

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