---Wemustapologizefor______aheadoftime.---That'sallright.A.lettingher

发布时间：2020-08-06 20:27:44

---We must apologize for ______ ahead of time.---That's all right.A.letting her not knowB.not letting them knowC.letting him know notD.letting not you know

网友回答

B解析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．
以上问题属网友观点，不代表本站立场，仅供参考！