—Excuse me! May I use your computer now?
—________I'm typing an important letter.
| A．Will you? | B．I hope so. |
| C．Why not? | D．I'm afraid not. |
These shoes aren’t comfortable. You __________ wear them.
| A．should | B．could | C．shouldn’t | D．can |
It is not so __________ as yesterday, so there are __________ people sitting in the square.
| A．cold; fewer | B．warm; more | C．cold; more | D．cold; less |
- Mr Smith, please teach me how to draw on the computer today.
- Oh, no._______. You have to get familiar with the keyboard first.
| A．Learn to walk before you run | B．It's never too old to learn |
| C．A good beginning is half done | D．The early bird catches the worm |
Kate was not sure_______.
| A．that she should go through the third gate |
| B．if she should go through the third gate or not |
| C．which gate should she go through |
| D．which gate she should go through |
-I think _______ask Tim for some advice.
-_______. Last time when I turned to him, he refused to help.
| A．you'd rather; I think so | B．you'd better; I'd rather not |
| C．you have to; I'd rather not | D．you'd better; I think so |