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
 —Why not take this road? It’s a short cut.  — I am afraid we can’t. It _____. 
#103329
A
is repaired
B
is being repaired
C
has repaired
D
is repairing
Ladies and gentlemen, please fasten your seat belts. The plane         . 
#101851
A
takes off
B
is taking off
C
has taken off
D
took off