阿摩線上測驗
10 The workers have finished the project ahead of schedule and under budget, ____?
(A) have they
(B) are they
(C) aren’t they
(D) haven’t they
答案：登入後查看
統計： A(0), B(0), C(2), D(9), E(0) #3821205
統計： A(0), B(0), C(2), D(9), E(0) #3821205
