問題詳情

II. 文法選擇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
難度:非常簡單1
統計:A(0),B(4),C(0),D(0),E(0)

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