题目内容

You ()sick for five days. Maybe you should see a doctor

A. will be
B. are
C. were
D. have been

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It ()for ten days straight last December

A. snowed
B. was snowing
C. has snowed
D. had been snowing

Sarah ()the laundry when Nick stopped by to say hello

A. was doing
B. had done
C. does
D. has done

The company ()a new digital camera next week

A. sold
B. sells
C. will be selling
D. was selling

I'm very busy () for the exam now. Will you come again at some other time.

A. to prepare
B. prepared
C. to be preparing
D. preparing

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