题目内容

It seems that it ________ for some time.

A. snowed
B. is snowing
C. snows
D. has been snowing

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How long you to music? People need rest. Don’t you understand?

A. have; listened
B. did; listen
C. had; been listening
D. have; been listening

The telephone ________ for three minutes before it was answered.

A. had been rung
B. rang
C. had been ringing
D. has rung

Mother is ill and she ________ in bed for three days.

A. has been laying
B. has been laid
C. laid
D. has been lying

Since her arrest last Sunday, she ________ on hunger strike with her fellow prisoners.

A. was
B. has been
C. is
D. had been