12. After boarding the train, please maintain a firm handhold _____

問題詳情

12. After boarding the train, please maintain a firm handhold ______.
(A) all the time
(B) at the time
(C) all times
(D) at all times

答案：D
難度：困難0.293706
統計：A(53),B(33),C(3),D(42),E(0)

all the time : 始終,總是這題是否也可用A ?

【Mi de Chen】評論

After boarding the train, please maintain a firm handhold _隨時__at all times___上火車後，請保持緊握扶手(a)all the time一直(b)at the time在那時候(c)at times有時.偶爾(d)隨時

【C_K】評論

all the time=一直，表一段區間內，可以做＋可以不做，辭意上較為輕鬆at all times＝隨時，表一段區間內，必須持續一直做，辭意較為嚴格