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by the time you arrive this evening,_______ for two hours.a i will study bi willhave been studiedc i had studied d iwill have been studying
题目详情
by the time you arrive this evening,_______ for two hours.a i will study bi willhave been studied
c i had studied d iwill have been studying
c i had studied d iwill have been studying
▼优质解答
答案和解析
答案选D
“by the time +将来时间”,用于将来完成时[will have done]或将来完成进行时[will have been doing],排除A,C.又由于B项是表示被动的,错误,故选D
“by the time +将来时间”,用于将来完成时[will have done]或将来完成进行时[will have been doing],排除A,C.又由于B项是表示被动的,错误,故选D
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