Every possible means ________ to prevent the air pollution，but the sky is still not very clear.
#85546
A
were using
B
have used
C
has been used
D
was used
推荐题目
In order to improve English, ________________.
#86097
A
Jenny’s father bought her a lot of tapes
B
Jenny bought a lot of tapes for herself
C
a lot of tapes were bought by Jenny
D
a lot of tapes were bought by Jenny’s father
A great number of visitors ______attracted to my hometown, and the number of foreigners there_____ quite large.
#85620
A
are; are
B
is; are
C
are; is
D
is; is
Mike, together with his parents, ________ going to the countryside to see his grandparents next week.
#86080
A
is
B
are
C
was
D
will