题目内容
Are you still here? You ______ home hours ago.
| A.should go | B.should have gone |
| C.might go | D.may have gone |
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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题目内容
| A.should go | B.should have gone |
| C.might go | D.may have gone |