题目内容

By the end of last year they ______ 1,000 machines.

A. turned out
B. had turned out
C. would turn out
D. had been turned out

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He was sixty-eight. In two years he ______ seventy.

A. would be
B. was
C. had been
D. was being

How long ago ______ playing football?

A. had you stopped
B. would you stop
C. did you stop
D. were you stopping

Up till then we ______ half the distance.

A. had only covered
B. covered
C. would only cover
D. would be only covered

While I ______ television, the door bell ______.

A. watched/would ring
B. would watch/had rung
C. was watching/rang
D. had been watched/was ringing

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