.--- Where is your father? --- I'm not sure. He_______ in the office.
#75019
A
must be
B
maybe
C
may be
D
perhaps
推荐题目
Sometimes most of us probably are angry______our friends, parents or teachers.
#77555
A
to
B
with
C
at
D
for
Passengers _____ fasten their seat belts immediately after taking their seats. The belts should remain buckled during the flight whether or not the “fasten seat belt” light is on.
#62815
A
shall
B
might
C
need
D
would
When we were young, every evening my brother and I ______ stay at home waiting for our mother.
#63641
A
would
B
might
C
should
D
could