阿摩線上測驗
34. Mary ____ have forgotten to water the plants while we were on vacation because they are all dead now.
(A) must
(B) would
(C) should
(D) maybe
答案：登入後查看
統計： A(910), B(182), C(202), D(110), E(0) #2797480
統計： A(910), B(182), C(202), D(110), E(0) #2797480
詳解 (共 4 筆)
shuweichang
#5300428
本題在考文法：
對過去事實的肯定猜測：表"過去必定..."、"過去可能..."
S + must/could/may/might + have + p.p
e.g. She must have been in the library. (她當時一定是在圖書館。)
She could/may/might have been in the library. (她當時可能是在圖書館。)
51
0
