What ________ you ________ at this time yesterday?A．did, doB．have, doneC．were, d
题型：不详难度：来源：
What ________ you ________ at this time yesterday?| A．did, do | B．have, done | C．were, doing | D．are, doing |
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答案
| C |
解析
试题分析：at this time yesterday,昨天的这个时间，过去进行时的标志。过去进行时的结构：was / were +V-ing .结合句意，昨天这个时候你正在干什么？故选C。 |
举一反三
While the alien ________ the museum, the boy called the TV station.| A．visiting | B．was visiting | C．visited | D．visit |
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There ______ a dolphin show in the zoo tomorrow evening.| A．was | B．is going to have | C．will have | D．is going to be |
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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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