--- Tom, where is your father?  --- I’m not sure. He_______ in his office.
#58259
A
is
B
may be
C
maybe
D
may
推荐题目
 –How does your sister study English? --She studies by_________ tapes
#56399
A
listen to
B
listening to
C
hear
D
hearing
We were told that Mr Green _____ the office for a few minutes when we arrived.
#56159
A
has been away from
B
had left
C
had been away from
D
has left
You should really    smoking. It’s a terrible habit.
#54154
A
grow up
B
set up
C
give up
D
turn up