Every possible means_____ been tried，and we find only______ this means can we do it well．
#86084
A
have，in
B
have，by
C
has，in
D
has，by
推荐题目
In our company, only a few are for the decision, but the rest ______ all against it.
#85766
A
are
B
being
C
has been
D
is
Every possible means _____ to prevent the air pollution, but the sky is still not clear.
#85634
A
is used
B
are used
C
has been used
D
have been used
--- What are you going to do this weekend?--- There ________ a concert at school. I’m going to listen there.
#43883
A
is going to have
B
is going to be
C
will have
D
has