题目内容
I ______ her, but I never could.
| A.ought to help | B.must help | C.must have helped | D.ought to have helped |
D
解析
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--Did Mary come to your birthday party?
--No. I __________ her, but she was away on business.
|
A.would like to invite |
B.would have liked to invite |
|
C.must have invited |
D.could invite |