didn’t see him in the library this morning,so I think he must have gone to Paris y...
问题描述：
didn’t see him in the library this morning,so I think he must have gone to Paris y...
didn’t see him in the library this morning,so I think he must have gone to Paris yesterday,____?A.must he?B.don’t C.didn’t he?D.must 请逐项说明!并分析句子结构
我的意思是能不能填must not he
答
C.考察反问句,因为有明确的过去时间“yesterday”所以反问时要用一般过去式 .所以排除A、B、D.若无明确的过去时间则可以用must not he