He watched a group of children ________ (play)football on the playground
A.to play B.play C.played
人气：360 ℃ 时间：2019-10-26 15:09:17
解答
playing
watch sb.doing sth.看某人正在做某事
那就：play
watch sb.do sth.看某人做某事A. to play B.playC. played没有playingB 理由见上面C.为什么不对watch 后跟动词原形啊，不要过去式啊
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