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 friend Tom _______me __________ for an hour yesterday.
#40206
A
keep; wait
B
keeping; waited
C
kept; waiting
D
keeps; to wait
––Did your mother go to Amy’s party?––No, she __________.
#39668
A
hasn’t invited
B
isn’t invited
C
wasn’t invited
D
didn’t invite
My mother is____soup. She often _____soup for us.
#39590
A
make;making
B
making;makes
C
do;doing
D
doing;does
Peter has many brothers, but he _________ have any sisters. 
#41604
A
is not
B
can not
C
did not
D
does not