问题:
---Now the air in our hometown is even ______ than it was before.
---So we must do something to stop it.
A.better
B.dirty
C.more better
D.worse
---Now the air in our hometown is even ______ than it was before.
---So we must do something to stop it.
A.better
B.dirty
C.more better
D.worse
---So we must do something to stop it.
A.better
B.dirty
C.more better
D.worse
参考答案: