问题
选择题
Are you still here? You ______ home hours ago.
A．should go
B．should have gone
C．might go
D．may have gone
答案
答案：B
should 后接动词完成式表示“本来应该做某事，结果未做”。
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Are you still here? You ______ home hours ago.
A．should go
B．should have gone
C．might go
D．may have gone
答案：B
should 后接动词完成式表示“本来应该做某事，结果未做”。