Nancy’s gone to work but her car’s still there. She______ by bus.

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问题 Nancy’s gone to work but her car’s still there. She______ by bus.

选项 A、must have gone
B、should have gone
C、ought to have gone
D、could have gone

答案A

解析 句意:南希去上班了,但是车还在,她一定是乘公交车去的。must have done表示肯定的猜测,shouldn’t have done表示否定的猜测,could have done表示不太确定的猜测。根据上一句的语境,可断定是肯定的猜测,A项为正确选项。
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