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
Chinese ______by the largest number of people in the world now.
#44672
A
is spoken
B
is speaking
C
speaks
D
spoke
Professor Virginia ______to give a lecture in our school hall yesterday.
#44830
A
invites
B
will be invited
C
was invited
D
is invited
The old men in hospital ______________.
#44441
A
take good care of
B
take good care
C
are taken good care
D
are taken good care of
 —Tom! I looked for you everywhere at the party last night.—Oh, I          to the party.
#44393
A
am invited
B
was invited
C
am not invited
D
wasn’t invited