题目内容
---We must apologize for ______ ahead of time.
---That's all right.
- A.letting her not know
- B.not letting them know
- C.letting him know not
- D.letting not you know
B
letting是现在分词作介词for的宾语,否定词not应置于动名词之前.
letting是现在分词作介词for的宾语,否定词not应置于动名词之前.
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