I have a sore back. You should _____ down and rest.
| A．to lie | B．lying | C．lie | D．lied |
Reading in bed ____ eyes.
| A．is bad for | B．is bad at |
| C．is good for | D．is good at |
This question sounds _______ than that one.
| A．many more polite | B．much more polite |
| C．many more politely | D．much more politely |
Students often spend lots of time _____ their homework.
A to do B do C did D doing
The young man used to ____ to work, but he is used to ___ to work now.
| A．drive; walking | B．drove; walked |
| C．drive; walks | D．driving; walk |