Waste paper mustn’t _______. We should keep our environment clean.
#44420
A
throw away
B
thrown away
C
be thrown away
D
been thrown away
推荐题目
---I want to teach in this area．---Well．teachers very much here．
#44670
A
need
B
are needing
C
are needed
D
will need
At least 300 million people are using QQ _________ by Ma Huateng to chat on line．
#45059
A
create
B
creates
C
creating
D
created
People should _____ from throwing the rubbish everywhere .
#44661
A
be stopped
B
stopped
C
stop
D
stopping
—Professor Wang ______ to give us a talk next week.—Really? That’s good news.
#44717
A
will invite
B
is going to invite
C
will be invited
D
has invited