题目内容
11. When I walked past the playground yesterday,I saw many boys football there.
A. play B. to play
C. played D. playing
11. D
11. D 考査非谓语动词。由when 1 walked past the playground yesterday“ 昨天我经过 操场时”可知是强调动作正在发生,see sb. doing sth. “看见某人正在做某事”,现在分词 作宾语补足语。故选D.
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