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
There __________heavy rain tomorrow. 
#39297
A
is
B
have
C
will be
D
will have
_____ the girl _____ her hands now?
#41963
A
Does; wash
B
Is; wash
C
Is; washing
D
Do; wash