Moststudentsusedtolistentotheirteachersinclassandcompletelyobeytheirt

发布时间：2020-08-14 13:34:52

Most students used to listen to their teachers in class and pletely obey their teachers，__________?A.used theyB.weren’t theyC.didn’t theyD.did they

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C解析当陈述部分含有used to时，附加疑问句可用use(d)n’t或didn’t。
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