题目内容
Mrs. Wang found his little son ______ with his toys alone when she arrived home.
A.plays | B.to play | C.play | D.playing |
D
本题考查的是find sb或sth doing sth,用动词的现在分词作宾语补足语,故选D

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题目内容
A.plays | B.to play | C.play | D.playing |