問題詳情

二、文法選擇(每題1分)
16. ()The little boy doesn’t understand that ________ with fire is very dangerous.
(A)play
(B)playing
(C)played
(D)to playing

參考答案

答案:B[無官方正解]
難度:適中0.489362
統計:A(12),B(23),C(8),D(3),E(0)

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