The door is open but nobody is in. Susan______have forgotten to lock the door.

admin2018-03-06 54

问题 The door is open but nobody is in. Susan______have forgotten to lock the door.

选项 A、should
B、must
C、would
D、could

答案B

解析句意：门开着，却没人。苏珊肯定是忘记关门了.本题考查的是情态动词的用法。must have+过去分词表示对过去事实的肯定猜测，符合题意。故B正确。

转载请注明原文地址:https://kaotiyun.com/show/9trd777K

公共英语二级笔试

相关试题推荐

随机试题

最新回复(0)