问题
选择题
As she’s not here, I suppose she _____ home.
A．must go
B．must have gone
C．might go
D．might be going
答案
答案：B
must 后接动词完成式表示对过去情况的肯定推测，意为“一定已经做了某事”。
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As she’s not here, I suppose she _____ home.
A．must go
B．must have gone
C．might go
D．might be going
答案：B
must 后接动词完成式表示对过去情况的肯定推测，意为“一定已经做了某事”。