The light is out in her room.she to bed A.must have gone B.had gone C.must be going D.must go
问题描述：
The light is out in her room.she to bed A.must have gone B.had gone C.must be going D.must go
答案是选A的,为什么,我不懂.这个是考 have gone to的用法?
答
不是考have gone to,而是must have done的用法
must have done表示十分肯定的推断：
她屋里灯灭了,肯定是睡了.