The room is in a terrible mess; it ______ cleaned.

admin2013-01-09 42

问题 The room is in a terrible mess; it ______ cleaned.

选项 A、mustn’t have been
B、shouldn’t have been
C、can’t have been
D、wouldn’t have been

答案C

解析对过去否定的推测用“can’t have+过去分词”。

转载请注明原文地址:https://kaotiyun.com/show/cqlK777K

大学英语三级A级

相关试题推荐

随机试题

最新回复(0)