The telephone ________ for three minutes before it was answered.
A. had been rung
B. rang
C. had been ringing
D. has rung
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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
They ________ for 20 minutes before the bus came.
A. were waiting
B. had been waiting
C. have been waiting
D. waited
心理调适是指运用心理科学的方法，对自己或他人进行心理调整，以使其达到健康状态的过程
A. 对
B. 错
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