The conference ___________in Beijing last week is bound to be a great success.
A. discussed
B. discuss
C. discussing
D. to discuss
查看答案
____to school yesterday morning, I met a friend of mine.
A. I was walking
B. walked
C. While I walking
D. walking
______ from this fact , he must be an honest man.
A. Judging
B. Judged
C. Judges
D. Judge
The President was sitting on the chair____ by his supporters.
A. surrounding
B. to surround
C. surrounded
D. to be surrounded
My letter, ______to the wrong number, reached him late.
A. to have addressed
B. being addressed
C. having been addressed
D. to have been addressed
微信支付 
支付宝支付