I in the house which books and magazines.
| A．am used to live;use to keeping |
| B．used to live;has been used to keeping |
| C．have been used to living;was used to keep |
| D．was used to live;was used to keep |
everyone can hear the speaker there is no of turning up the radio.
| A．Now that; point | B．Even if; point | C．Now that; need | D．Even if; need |
If it was not an accident, he must have done it .
| A．on purpose | B．in common | C．on occasion | D．in time |
Many students signed up for the race in the sports meeting to be held next week.
| A．800-metre-long | B．800-metres-long | C．800 metre length | D．800 metres length |
． Knowledge of English is a must in international trade.
| A．the | B．/ | C．A | D．An |
Cloning the sheep ----Dolly is a big in science.
| A．progress | B．run | C．jump | D．rush |