I think ______ people drive，______ air pollution there will be．
That's true．I hope the air will be fresher soon．（ ）
A．the less，the lessB．the less，the fewer
C．the fewer，the fewerD．the fewer，the less
I wonder _____________．
Only seven dollars， All the books were on sale in that bookstore yesterday．（ ）
| A． |
how many books you bought |
| B． |
where did you buy these books |
| C． |
how much you spent on these books |
| D． |
when you bought these books |
What's wrong with Dale？
He with others in his class just now． He's not happy about that．（ ）
| A． |
is compared |
B． |
was compared |
| C． |
compares |
D． |
compared |
What is river in China？
The Yangtze River． It's about 6,300 kilometers long．（ ）
| A． |
long |
B． |
longer |
| C． |
longest |
D． |
the longest |
Have you written your book report， Bill？
No， not yet． I it in two days．（ ）
| A． |
have finished |
B． |
will finish |
| C． |
finished |
D． |
finish |
Tom， do you often clean your room by yourself？
Yes． I don't like to my parents too much． I am not a child any longer．（ ）
| A． |
depend on |
B． |
work on |
C． |
get on |
D． |
turn on |