﹣Don't play games any more． There's______________．
﹣OK， Mom．（ ）
A．nothing usefulB．useful nothing
C．something
Why ______ we close that chemical factory？
Because it has caused lots of pollution． We need better environment．（ ）
| A． |
must |
B． |
can |
C． |
may |
It's reported that Fuxing high﹣speed train can go as ______ as 350km an hour．
Wow， how amazing!（ ）
| A． |
fastest |
B． |
faster |
C． |
fast |
Did you watch the basketball match on TV last night？
I wanted to， but my father______ his favorite TV program．（ ）
| A． |
watched |
| B． |
was watching |
| C． |
watches |
The sunglasses on your desk are nice． Are they ______？
Yes， I got them from my parents as a birthday present．（ ）
| A． |
yours |
B． |
your |
C． |
yourself |
Do you mind my smoking here？
﹣______． Look at the sign． It says， "No smoking．"（ ）
| A． |
Never mind |
| B． |
Of course not |
| C． |
You'd better not |