The flowers ________ every day, or they will die.
#76173
A
must water
B
can be watered
C
should water
D
must be watered
推荐题目
The light in his office is out. He_________ left for home.
#62358
A
must have
B
must have been
C
should have
D
should have been
The door _____ open, no matter how hard she pushes.
#62530
A
doesn’t
B
can’t
C
won’t
D
shouldn’t