The ________ pollution is becoming more and more serious，We haven't seen blue skies for several days．（ ）
| A． |
noise |
B． |
water |
C． |
air |
The zoo asks the visitors the animals．（ ）
| A． |
not feed |
B． |
not to feed |
C． |
don't feed |
I TV at eight last night（ ）
| A． |
was watching |
B． |
am watching |
C． |
watching |
The coach is pleased our football team（ ）
| A． |
with |
B． |
to |
C． |
on |
Meimei studies than Lucy．（ ）
| A． |
hard |
B． |
hardly |
C． |
harder |
Miss Li is teacher．（ ）
| A． |
they |
B． |
their |
C． |
them |