9. 一I must apologize you know ahead of time一That’s all right．A. for letting notB. for not

发布时间：2020-08-17 11:20:28


9. 一I must apologize     you know ahead of time．
一That’s all right．
A. for letting not
B. for not letting
C. to let not
D. not to let

网友回答

A. for letting not
(答案→)B. for not letting
C. to let not
D. not to let
解析：不定式或动名词的否定式均须在其前面加not，never，可先排除A、C两项。动词apologize后要接for短语，常用：apologize to sb．for doing／having done sth．，不能接动词不定式。故选B.
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