Every possible means ______ to prevent the air pollution, but the sky is still not clear.
#85598
A
has been used
B
have been used
C
is used
D
are used
推荐题目
When and where to go for the on-salary holiday ______ yet.
#86301
A
are not decided
B
have not been decided
C
is not being decided
D
has not been decided
My friend’s sisters sometimes at weekends.
#43780
A
enjoys go shopping
B
enjoy going shopping
C
enjoys to go shopping
D
enjoys going shopping
______, he talks a lot about his favorite stars after class．
#86009
A
Being a quiet student
B
Quiet student as he may be
C
Quiet as he may be a student
D
As he may be a quiet student
The number of people who________ killed in the earthquake ______4000.
#85936
A
was; were
B
were; was
C
were; were
D
was; was