题目内容
The telephone________ four times in the last hour, and each time it ________ for the studentdoing a part-time job.
- A.had rung;was
- B.had beenringing; is
- C.has rung;was
- D.rang; hadbeen
C
and连接两个并列句,in the last hour表明要用现在完成时。
and连接两个并列句,in the last hour表明要用现在完成时。
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