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
---Is Lucy ______ her homework?--- No , she ________ .
#39513
A
do; doesn’t
B
does; isn’t
C
doing; is
D
doing; isn’t
---Pardon? I _____ quite catch you.--- I said I ______ the song before. 
#39608
A
didn’t, hadn’t heard
B
don’t, didn’t hear
C
didn’t, didn’t hear
D
won’t, hadn’t heard
You won’t have the chance to succeed when you ________.
#42061
A
gave up
B
give up
C
will give up
D
are giving up