题目内容

__ you had supper? When _ you have it ?

A. Did … have
B. Do .. have
C. Have … did
D. Will … did

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Which of the following adverbial of time is unsuitable according to the sentence?Great changes have taken place in our home town ______ .

A. in the past
B. in the past few years
C. in recent years
D. in the last few years

So far they ________ another power station.

A. have built
B. built
C. build
D. are building

This question ______ several times.

A. discussed
B. has discussed
C. is being discussed
D. has been discussed

18.Teaching methods ______ further improved with the development of education.

A. are to be
B. need
C. must
D. will