問題詳情

23. To lower teenager car accident rates, it is essential that every school ______ children about trafficlaws.
(A)will be teaching
(B)taught
(C)teaches
(D)teach

參考答案

答案：D
難度：適中0.5
統計：A(1),B(0),C(0),D(1),E(0)

用户評論

【秦晴】評論

it當虛主詞,真主詞是that所引導的名詞子句.