－How much shall I pay for the phone call?
－You __________. This is free of charge.
| A．shouldn’t | B．can’t | C．needn’t | D．mustn’t |
_______ makes her different from other students is that she likes being alone.
| A．Who | B．Whoever | C．What | D．Whatever |
It is said that her father has worked in the factory_______1970.
| A．after | B．before | C．till | D．since |
Several students in our class are considering_______to the United Kingdom for further study next year.
| A．going | B．to go | C．go | D．gone |
--- Why don’t you drive your own car?
--- It_______at a repair shop.
| A．has repaired | B．is repaired | C．is being repaired | D．will be repaired |
It is becoming more and more difficult to_______the problems of traffic in some big cities of our country.
| A．deal with | B．set up | C．put away | D．break down |