1. running2. reading【解析】see sb doing sth 看见某人正在做某事3. had happened4. quickly【解析】副词quickly 修饰动词 sell 1. He had finished his homework before he went home.2. The boy had broken the glass before the plane took off3. Had he sold his old house？
Yes，he had.希望能够帮到你》》》》》》良师益友伴你行 团队为你解答《《《《《欢迎继续追问，请及时采纳...
用括号里单词的正确形式填空:1.On that morning , she saw a man __running__ (run) at seven.2.I saw Peter __reading__ (read) a book yesterday.3.Something ___happened__ (happen) when you knew ...
