The mobile phone is useful to us, and we can use it _______others at any place.
A. call B. calling C. to call
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 |
— The sports meeting was put off ____the bad weather.
| A．such as | B．because of |
| C．ever since | D．even though |