【系統公告】頁面上方功能列及下方資訊全面更換新版，『舊用戶且擁有VIP』可再切回舊版。 前往查看

警專◆英文題庫下載題庫

上一題
17. To cut down on the garbage, it is essential that all household trash _____ and put into trash bags.
(A) must be classified
(B) be classified
(C) is classified
(D) should classify

答案：登入後觀看
難度： 困難
1F
我愛阿摩，阿摩愛我 (2012/05/02)
it is essential that + S +(should) +V原形


17. To cut down on the garbage, it is es..-阿摩線上測驗