Mary to see you.She. for you downstairs at the moment.A. has come;is waitingB. came;is wai

发布时间:2020-08-15 00:21:28

Mary     to see you.She.     for you downstairs at the moment.
A. has e;is waiting
B. came;is waiting
C. has e;waited
D. came;was waiting

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(答案→)A. has e;is waiting
B. came;is waiting
C. has e;waited
D. came;was waiting
解析: 解本题需要使用逆向思维,先考虑第二个空白处的选项,再考虑第一空白处的答案。因为第二句中交代了一个重要的时间状语; at the moment (现在),因此应毫不犹豫地选择is waiting这一现在进行时的时态。据此,第一句的句意也就随着清晰起来:“玛丽已经到这儿来看望你。”很明显表示对现在选成影响的动作使用在完成时态
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