I _____ you somewhere before , but your name has escaped me _____ moment .
A.mustsee;foramomentB.musthaveseen;foramomentC.mustsee;forthemomentD.musthaveseen;for...
A. must see ; for a moment
B. must have seen ; for a moment
C. must see ; for the moment
D. must have seen ; for the moment 展开
B. must have seen ; for a moment
C. must see ; for the moment
D. must have seen ; for the moment 展开
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答案D
must与不定式的完成体连用表示对过去发生的事持肯定态度的推断,在疑问句中用can,在持否定态度的推断时用can not 。例如:He must have rid himself of his preumonia last week , for you see , he doesn't cough at all now . (他在上星期肯定治愈了他的肺炎,你看,他现在一点都不咳嗽了。) for a moment表示一个动作延续了一会儿,而for the moment 则表示"目前;暂时"。"
must与不定式的完成体连用表示对过去发生的事持肯定态度的推断,在疑问句中用can,在持否定态度的推断时用can not 。例如:He must have rid himself of his preumonia last week , for you see , he doesn't cough at all now . (他在上星期肯定治愈了他的肺炎,你看,他现在一点都不咳嗽了。) for a moment表示一个动作延续了一会儿,而for the moment 则表示"目前;暂时"。"
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