阿摩線上測驗
12. I’m afraid you’ve missed the deadline. The paper _____ in by yesterday.
(A) should have been turned
(B) must have turned
(C) should be turned
(D) must be turned
答案：登入後查看
統計： A(3), B(2), C(3), D(0), E(0) #3992766
統計： A(3), B(2), C(3), D(0), E(0) #3992766
