You can ’t get in. The exam  _____for over 30 minutes. 
#36950
A
has been on
B
has begun
C
began
D
begins
推荐题目
My grandpa ­_________   lanterns for Lantern Festival now.
#37561
A
is making
B
made
C
was making
D
make
Do you know when the basketball_________?
#37140
A
is invented
B
was invented
C
has invented
D
had invented
--____ you ____the work?--No, we need two more hours.
#40403
A
Have , finished
B
Do, finish
C
Did, finish
D
Will, finish