题目内容

There ought to be less anxiety over the perceived risk of getting cancer that ______ in the public mind today.

A. exists
B. exist
C. existing
D. existed

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I decided to go to the library as soon as I ______. (1991.6. CET-4)

A. finish what I did
B. finished what I did
C. would finish what I was doing
D. finished what I was doing

Until then his family from him for six months.

A. didn’t
B. don’t hear
C. hasn’t heard
D. hadn’t heard

Not until the game had begun at the sports ground. (2000.6. CET-4)

A. should he have arrived
B. had he arrived
C. did he arrive
D. would he have arrived

He asked who the children while we were away.

A. will look after
B. would look after
C. would be looking after
D. would have looked after

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