题目内容
The telephone ________ four times in the last hour, and each time it ________ for the student doing a part-time job.A.had rung; was
B.had been ringing; is
C.has rung; was
D.rang; had been
答案:C
解析:
提示:
解析:
| and连接两个并列句,in the last hour表明要用现在完成时。
|
提示:
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