— does Grace do her English exercises every day?
—About thirty minutes.
| A．How many | B．How much |
| C．How long | D．How far |
It’s said that ______of the water around the world___ polluted.
| A．two third , has | B．two thirds, have |
| C．two third, are | D．two thirds, is |
Thank you for your present. It’s so beautiful.______.
| A．No, thanks. | B．Please don’t say so |
| C．It is not good enough | D．I’m glad you like it. |
___ interesting the action movie is! Yes, I want to see it once again.
| A．What | B．What an | C．How | D．How an |
Now the air in our town is __ than before.
Yes. Something must be done to stop the pollution.
| A．even worse | B．rather bad |
| C．very good | D．much better |
I like watching people _____in the street.
| A．walking | B．walked | C．to walk | D．be walking |