19、The telephone ______________three times in the last hour,and each time it ________ for my father.
A. has rung; was B. had rang; would be
C. rang; has been D. was ringing; is
科目:高中英语 来源: 题型:
The telephone ______________three times in the last hour,and each time it ________ for my father.
A. has rung; was B. had rang; would be
C. rang; has been D. was ringing; is
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