阿摩線上測驗
26. We _______ our trip sooner; now all the hotels are fully booked, and we can't find a place to stay.
(A) should have planned
(B) must have planned
(C) might have planned
(D) would have planned。
答案：登入後查看
統計： A(270), B(26), C(14), D(13), E(0) #3418392
統計： A(270), B(26), C(14), D(13), E(0) #3418392
