题目内容
-I must apologize for ________ ahead of time.
-That’s all right.
[ ]
A.letting you not know
B.not letting you know
C.letting you know not
D.letting not you know
答案:B
解析:
解析:
|
for为介词后面要用动名词作宾语。根据句意可知后面应该用动名词的否定结构,所以选择B项。 |
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