阿摩線上測驗
13. It is said that Mr. Liu isn’t happy about our work, which _______ yesterday.
(A)should be done
(B)should have been done
(C)must be done
(D)will have been done
答案：登入後查看
統計： A(358), B(558), C(92), D(28), E(0) #1942648
統計： A(358), B(558), C(92), D(28), E(0) #1942648
