阿摩線上測驗
21. I know it’s urgent, so I will send the parcel to you _____ it arrives.
(A) until
(B) as soon as
(C) unless
(D) in case
答案：登入後查看
統計： A(321), B(853), C(51), D(64), E(0) #3190769
統計： A(321), B(853), C(51), D(64), E(0) #3190769
