It is really a pity that I can not attend your wedding party this weekend. I _________ a very important international conference in Paris then.
#99261
A
have attended
B
are attending
C
have been attending
D
will be attending
推荐题目
I have to walk to school today because my bike _____now.
#101260
A
is being repaired
B
has been repaired
C
is repaired
D
has repaired
—You seem tired, David.—Yes. I _____ all day long and can’t wait to go to bed now.
#102886
A
am working
B
had been working
C
have been working
D
was working
--- I started off to walk, but Peter gave me a lift. --- Therefore, you _____ after all. 
#103308
A
didn’t need walk
B
needed not walk
C
didn’t need to walk
D
need not to walk