题目内容

Turn on the television or open a magazine and you ____ advertisements showing happy, balanced families.

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

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Years ago we didn’t know this, but recent science ____ that people who don’t sleep well soon get ill.

A. showed
B. has shown
C. will show
D. is showing

John told Mary that he ____ what he was doing during the holiday.

A. had just been asked
B. has just asked
C. was just asked
D. just asked

I will tell him the good news when he ____ back to the company tomorrow.

A. comes
B. came
C. has come
D. had come

Is this the first or the second time that you ____ the safari park?

A. had visited
B. have visited
C. visited
D. visiting

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