It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
#44688
A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned
推荐题目
 -----Why don’t you come to Sally’s party ? -----I’m sorry . I ________ .
#44561
A
invited
B
didn’t invited
C
was invited
D
wasn’t invited
Old people must be____ politely
#44739
A
spoken to
B
speak to
C
poken
D
spoke