题目内容
. He apologized for _____.
| A.his not being able to come | B.his being not able to come |
| C.his being able not to come | D.him not being able to come |
A
考查短语: apologize for doing sth 因某事道歉,否定式在doing前面加not,句意:他因他不能来表示道歉。所以选A。
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