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问题详情

We mustnt lose heart, must we All the teachers are encouraging us______

A、Yes, we must

B、Yes, we mustn.t

C、No, we must

D、No, we must

时间：2021-09-06 21:38 关键词：青书学堂兰州理工大学软件技术大学英语1

答案解析

D

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