She saw a lot of boys ________ football on the playground when she walked past (
题型：不详难度：来源：
She saw a lot of boys ________ football on the playground when she walked past (经过).| A．play | B．to play | C．played | D．playing |
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答案
| D |
解析
试题分析：句意：当她经过的时候，看见了许多男孩子在操场上踢足球。句中有when引导的一个时间状语从句，故前面的句中用过去进行时表示看见某人正在做某事，故选D
点评：see sb do sth 看见某人做某事，这个短语强调看见做动作的全过程，see sb doing sth看见某人一直做某事，这个短语强调看见动作正在进行，区分好这类词是解答这类题的关键所在，同时这类词还有hear同样是这种用法。 |
举一反三
---Kate,please remember your homework.
---Yes,Mon
A. to do B.do C. doing |
Would you mind ______ louder? I can’t hear you clearly.| A．speaking | B．spoke | C．to speak | D．speaks |
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Why not ______ help when you were in danger?| A．you ask for | B．ask for | C．asking for | D．to ask for |
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Could you please ______ loudly in the library?| A．don’t talk | B．don’t say | C．not to talk | D．not talk |
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We are not supposed ______ basketball on Sundays.| A．to play | B．playing | C．with playing | D．played |
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