阿摩線上測驗
9. Since the road is wet this morning, _________ last night.
(A) it must rain
(B) it must be raining
(C)it must have rained
(D) it must have been rain
答案：登入後查看
統計： A(36), B(25), C(328), D(16), E(0) #56081
統計： A(36), B(25), C(328), D(16), E(0) #56081
