阿摩線上測驗
40. I can’t find my umbrella. I may ________ it on the bus again.
(A) forget
(B) be forgotten
(C) be forgetting
(D) have forgotten
答案：登入後查看
統計： A(157), B(71), C(27), D(223), E(0) #593890
統計： A(157), B(71), C(27), D(223), E(0) #593890
詳解 (共 4 筆)
浴巾
#897265
http://blogs.teachersammy.com/Blogs/entry/English-auxiliary-verb-have-past-participle-sentence#.U9dgovmSwgk 這裡不錯的教學~~
17
3
Jerryboy
#1439186
may have+PP
0
3