In China students        greet the teachers when classes begin.
#60513
A
are suppose to
B
are supposed to
C
suppose
D
supposed to
推荐题目
Lily is        her pen, but she can’t        it.
#58901
A
finding; look for
B
looking for; find
C
look for; finding
D
looking for; finding.
 —What happened?—They didn’t ____ each other and had a fighting.
#53647
A
build up
B
agree with
C
stand for
D
worry about
How        rice         there in the bag ?
#61053
A
many, are
B
many, is
C
much, are
D
much, is