While the alien ________ the museum, the boy called the TV station.A.visitingB.w
题型:不详难度:来源:
While the alien ________ the museum, the boy called the TV station.A.visiting | B.was visiting | C.visited | D.visit |
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答案
B |
解析
试题分析:句意:当外星人在参观博物馆时,那个男孩给电视台打了电话。while,当……,它引导的时间状语从句强调一个动作正在发生时,另一个动作发生了。故while后的从句经常用进行时,其结构是be + V-ing.故选B |
举一反三
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I ______ my mind to study harder since I visited the Shanghai Supercomputer Centre.A.am making up | B.have made up | C.made up | D.had made up |
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When the teacher ______ how to do the experiment, the bell rang.A.explains | B.will explain | C.was explaining | D.is explaining |
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I ____you yesterday afternoon ,but you ____at home .A.call ,aren’t | B.am calling ,aren’t | C.called , weren’t | D.calls, weren’t |
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