問題詳情

(　　)13.Mr. Brown had a big problem. He walked ________ in front of his house.
(A) from door to door　
(B) more and more　
(C) sooner or later　
(D) back and forth

參考答案

答案：D
難度：簡單0.73494
統計：A(13),B(4),C(5),D(61),E(0)

用户評論

【Chih Hyuan Li】評論

back and forth 來回、往返