--Happy birthday!-- Thank you!It’s the best present I _____ for.A.should have wished B.
--Happy birthday!
-- Thank you!It’s the best present I _____ for.
A.should have wished B.must have wished.
C.may have wished D.could have wished
人气：187 ℃ 时间：2019-10-11 20:51:52
解答
could have done有两个意思：1）本可以做而没有做 如：YOu could have turned to me for help,but you didn't.2).could 可以表示可能性 如：Don't worry--they could have just forgotten to phone.别担心,他们可能...
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