I      my homework, I guess I can't join you.
#42122
A
don't finish
B
didn't finish
C
haven't finished
D
won't finish
推荐题目
His grandfather ________ for seven years. 
#42850
A
died
B
had died
C
has died
D
has been dead
What          at that time ? ---Playing football.
#39891
A
did you do
B
do you do
C
were you doing
D
are you doing
Your sweater looks smart. Where ___ you ___ it?
#37776
A
do; get
B
did; get
C
are; get
D
are; getting