21. A historian does not only describe events, but tries to explain _____ occur in the first place.
(A)to them what cause
(B)what causes them to
(C)to what causes them
(D)what to cause them

答案：登入後查看
統計： A(5), B(253), C(31), D(32), E(0) #868767

十年寒窗

B1 · 2015/07/26

#1124309

A. explain to them 看來是對, 後接what cause再去接題幹的occur, 這樣就不對

B. 正解

C. explain to what causes them (to) occur: 變成對發生的原因解釋

D. explain what to cause them (to) occur: what 此時作先行詞代替主詞用 (我的文法術語不好, 或許說明的不太對, 但意思是這樣沒錯.), 直接接動詞, 不需要 to

阿哲

B2 · 2016/05/22

#1351709

21. A historiandoes not onlydescribeevents, but tries to explain _____ occur in the firstplace.

21.一位歷史學家不僅描述事件，而是試圖解釋_____發生在首位。

(B)whatcausesthem to 他們什麼導致

謝雅芳

B3 · 2016/05/31

#1363322

一位歷史學家不僅描述事件，而且試圖解釋是什麼事情導致他們首先發生。