--You didn't wait for Tom yesterday.
--Yes, but we ______. He didn't come.
A.needn't have | B.didn't need to |
C.could have | D.should have |
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--You didn't wait for Tom yesterday.
--Yes, but we ______. He didn't come.
A.needn't have | B.didn't need to |
C.could have | D.should have |