Every possible means ___ to prevent the air pollution, but the sky is still not clear．
#101596
A
is used
B
are used
C
has been used
D
have been used
推荐题目
We ______ hurry because we still had a lot of time.
#100057
A
don't have to
B
needn't have to
C
didn't need
D
didn't have to
______ of danger in the street at night, she had to go home with a friend ____ her.
#101689
A
Warning; following
B
Having warned; following
C
Warned; followed
D
Having been warned; following
A new Wanda cinema _______ here. They hope to finish it next year.
#99667
A
will be built
B
is built
C
has been built
D
is being built
.My brother wants to work in the factory which ______ still ______.
#99774
A
is/ building
B
has /been built
C
is /being built
D
is /to be built
－Linda, the phone in your office can’t be connected all the time. Why?－Oh, sorry, Miss Miles. The service ___ since last Wednesday.
#99959
A
has been stopped
B
is stopped
C
was stopped
D
had been stopped