题目内容

Many kinds of wilds animals ______ from the earth.

A. being disappearing
B. being disappeared
C. are disappearing
D. are disappeared

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The conference ______ a full week by the time it ends.

A. has lasted
B. last
C. will have lasted
D. is lasted

There was a knock at the door. It was the second time someone ______ me that evening. (1991.6. CET-6)

A. had interrupted
B. would have interrupted
C. to have interrupted to interrupted

I'm glad that Peter decided to come to the party because we ______ him for several years.

A. haven't seen
B. don't see
C. didn't see
D. hadn't seen

Turn on the television or open a magazine and you _______ advertisements showing happy, balanced families. (1995.6. CET-4)

A. are often seeing
B. often see
C. will often see
D. have often seen

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