問題詳情

40. Something ________ to George to make him behave in such a strange way.
(A)should happen
(B)must have happened
(C)may be happened
(D)was happened

參考答案

答案:B
難度:適中0.555556
統計:A(2),B(10),C(0),D(6),E(0)

用户評論

Adonsen】評論

強調肯定推測語氣 must+have+p.p