题目内容
7.-It's said a pianist will perform at Poly Theater on Friday evening.Is it Lang Lang?-Yes,it _______ him.He _______ for a week.( )
A. | must be; has arrived here | B. | maybe; has been here | ||
C. | must be; has been here | D. | maybe; has arrived here |
分析 -据说在星期五晚上在保利剧院有一个钢琴家将要表演.那会是朗朗吗?
--是的,一定是他.他已经在这呆了一周了.
解答 答案:C 因为for a week(for+时间段)一般用在现在完成时中,并且动词是延续性动词,可持续一周.故应用be而不用arrive.因he为第三人称单数,故用has,可知此空用has been here.又因为he has been here for a week.(他已经在这呆了一周了)可知前面是表示肯定的推测,应用must be.故选C.
点评 本题考察表示推测的情态动词和动词的时态问题.要根据所给的理由来判断是肯定推测、可能推测还是否定推测.现在完成时中要使用延续性动词.
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