题目内容
I'm sorry I forgot ________ your letter.
[ ]
A.posted
B.posting
C.to posted
D.to post
答案:D
练习册系列答案
相关题目
---I have a bad cold.
---_______________.
| A.No problem. | B.Yes, you don’t look well |
| C.Thanks. | D.I’m sorry to hear that. |