题目内容
【题目】I am sorry to have kept you for a long time.
A． wait B． to wait
C． waiting D． to wait
【答案】C
【解析】解析过程：考查固定句型的用法。句意：对不起让你等了这么长时间。 Keep sb doing sth 保持某人做某事。故选C.
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【题目】I am sorry to have kept you for a long time.
A． wait B． to wait
C． waiting D． to wait
【答案】C
【解析】解析过程：考查固定句型的用法。句意：对不起让你等了这么长时间。 Keep sb doing sth 保持某人做某事。故选C.