作业帮问一道英语题,这题为什么选B啊,是过去时吗,什么时态啊,33. Jean did not have time to go to the concert last night because she was busy ___ for her history examination.A. to prepare B. preparing C. to be prepared D. being prepared
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问一道英语题,这题为什么选B啊,是过去时吗,什么时态啊,33. Jean did not have time to go to the concert last night because she was busy ___ for her history examination.A. to prepare B. preparing C. to be prepared D. being prepared
问一道英语题,这题为什么选B啊,是过去时吗,什么时态啊,
33. Jean did not have time to go to the concert last night because she was busy ___ for her history examination.
A. to prepare B. preparing C. to be prepared D. being prepared
问一道英语题,这题为什么选B啊,是过去时吗,什么时态啊,33. Jean did not have time to go to the concert last night because she was busy ___ for her history examination.A. to prepare B. preparing C. to be prepared D. being prepared
be busy doing sth 忙于做某事 A、C排除 Jean 主动去准备历史考试D排除
be busy doing sth是固定词组，忙于做某事的意思，此时不能与过去式相结合
prepare准备。。动词，，，，buy动词加doing
be busy doing这是固定搭配
be busy doing sth.表示忙于干某事，因为主语是人，所以不能用表示被动的选项d.