If you           spit at all, please spit in the bucket(痰孟里)provided
#63179
A
must
B
shall
C
should
D
may
推荐题目
When I went to their house, there was no light on. They _____ at home.
#62992
A
can’t be
B
couldn’t be
C
can’t have been
D
mustn’t have been
Who ____ table tennis?
#75890
A
can play the
B
can playing
C
can play
D
can to play