题目内容

It’s about time _____ on something.

A. I’d decide
B. I decided
C. I decide
D. I’m deciding

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The dictionary I bought yesterday _____ me ten dollars.

A. is cost
B. cost
C. was cost
D. have been cost

Einstein has ever said “Politics ____ much more difficult than physics.”

A. has
B. have
C. is
D. are

It’s necessary that _____ them to give us a hand.

A. we asked
B. we ask
C. we will ask
D. we asking

That was not the first time he _____ us. I think it is high time we _____ strong actions against him.

A. betrayed, take
B. had betrayed, took
C. has betrayed, took
D. has betrayed, take

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