单选题
The telephone______four times in the last hour, and each time it______for my roommate.
A、
has rung; was
B、
has been ringing; is
C、
had rung; was
D、
rang; has been
【正确答案】
A
【答案解析】
[解题指要] 该题测试动词时态的用法。in the last hour,或in the past/last twenty years等,都指刚刚过去而持续到说话时为止(或长或短)的一段时间,因此动词要用现在完成时。句意:电话铃在一个小时内反复响了四次,每次都是找室友的。
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