— Are you going to Beijing by air?— It’s fast, but expensive. So I’m not sure. I _____ take a train. 
#76481
A
may
B
will
C
must
D
should
推荐题目
We ________ the difficulty together, but why didn’t you tell me?
#63106
A
should face
B
might face
C
could nave faced
D
must have faced
Today’s work ____ today. Never leave it till tomorrow.
#78180
A
must do
B
must be done.
C
may be done
D
may do