問題詳情
15. The police have to work _____ to protect the citizens’ safety and properties.
(A) around the clock
(B) in the extreme
(C) on the house
(D) in the majority
參考答案
答案：A
難度：簡單0.7
書單：沒有書單，新增
用户評論
【用戶】寧靜致遠
【年級】大一上
【評論內容】(A)全天的，全天候的；不分晝夜的(B) 極度；非常(C) It's on the house. （由店家請客、免費招待）(D)佔多數.