I am sorry that I have kept you (wait) ______ for so long.waiting句意:对不起,让你久等了。该题

游客2023-09-24  12

问题 I am sorry that I have kept you (wait) ______ for so long.

选项

答案 waiting

解析 句意:对不起,让你久等了。该题考查的是固定句型。keep sb.doing sth意为让某人持续做某事。
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