The first question was difficult , but ___ were quite easy.
| A．the second | B．the other | C．another | D．the rest |
It snowed heavily for three days and they were separated from the outside world.
| A．in the end | B．on end | C．by the end | D．at the end |
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 |