一Are you going to Guilin by plane?一It’s fast but expensive, so I’m not sure．I ________ take a train．
#74668
A
should
B
may
C
must
D
will
推荐题目
—Where did you get this book?—I picked it up from a second-hand bookshop if you ______ know.
#63082
A
must
B
will
C
can
D
shall
.Susan’s parents have bought a large house with a swimming pool. It ______be very expensive.
#78190
A
can
B
must
C
mustn’t
D
can’t
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