People living in cold climate prefer ______ warm colours ________ a warm and comfortable feeling.
| A．using, to create | B．to use, to create |
| C．using, to creating | D．use, create |
Oh, my God! I can ______ put on my trousers. I must be getting heavier.
| A．carefully | B．hardly | C．quickly | D．quietly |
—Could I invite my friends to my birthday party?—Sorry, you ______.
| A．can | B．can’t | C．could | D．couldn’t |
Our math teacher is very kind ______ he looks very serious.
| A．because | B．though | C．if | D．when |
This isn’t my sister’s skirt. ______ is blue.
| A．Mine | B．His | C．Yours | D．Hers |
Now the air in our city is ______ than it used to be. Something must be done to stop it.
| A．good | B．bad | C．worse | D．better |