—Dad，why must I stop ________ computer games？
—For your health，my boy．
| A．play |
| B．to play |
| C．to playing |
| D．playing |
Two percent of workers in this factory men. A large number of them women.
| A．is; are | B．are; are |
| C．are; is | D．is; is |
— What do you think of math?
— I find difficult to learn it.
| A．that | B．this | C．its | D．it |
We couldn't see the road clearly the heavy snow.
| A．because | B．because of |
| C．so | D．though |
You should take the doctor's , and I believe you will get well soon.
| A．question | B．advice |
| C．fun | D．experience |
—You are wearing a blue dress．How beautiful it is!
—_____________________
| A．I am glad to hear that. | B．Thank you. |
| C．Really? | D．Not at all. |