Nowadays scientists are working hard to find out ______ to do with air pollution.
#37100
A
how
B
why
C
when
D
what
推荐题目
The woman _________ a blue coat _________ our teacher.
#38736
A
in; like
B
on; likes
C
in; looks like
D
with; has
Noah and his sons put the animals into their places and brought in enough food to feed them. What does the underlined word mean?
#43637
A
to please
B
to eat
C
to help
D
to give food
—Our country is becoming _______.—Yes. We all love it.
#43284
A
stronger and stronger
B
more and more strong
C
the strong; the strong
D
strongest and strongest
Mr. Li makes me________, because it is bad for my health.
#40987
A
don’t smoke
B
not to smoke
C
not smoking
D
not smoke
They have something common. Both of them are good dancing.
#42477
A
in; on
B
in ; at
C
at ; on
D
at ; at