Mary must have received my mail; otherwise she would have replied before now.

admin2015-05-12  37

问题 Mary must have received my mail; otherwise she would have replied before now.

选项 A、Mary should
B、Mary ought to
C、Mary shouldn’t
D、Mary couldn’t

答案D

解析
转载请注明原文地址:https://kaotiyun.com/show/tsMO777K
0

最新回复(0)