摘要：It was raining when I saw a lot of passengers an early bus. A.wait for B.waiting C.waiting for D.waiting to 答案: 5.C 这道题目主要考查see sb.do sth.和see sb. doing sth.的用法.see sb. do sth.表示“看见某人做某事 .而see sb.doing sth.表示“看见某人正在做某事 .wait for sth.的意思是“等待什么 .

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