問題詳情

3. People ______ prepare some useful things and exercise before they climb high mountains.
(A) must
(B) had to
(C) has to
(D) doesn’t have to

參考答案

答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0) #
個人:尚未作答 書單:沒有書單,新增

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