問題詳情
33. _____ you enter someone else’s room, you have to knock atthe door first.
(A) Even
(B) So
(C) Although
(D) Before
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增
用户評論
【牛奶】評論
____Before_ you enter someone else’s room, you have to knock at the door first.在你進入別人的房間前，你必須先敲門