As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.
| A．gradually | B．sincerely | C．hopefully | D．frequently |
Three million tons of coal ______ every year in the city.
| A．is exploited |
| B．are exploited |
| C．had exploited |
| D．have exploited |
There _____ a lot of rubbish on the floor so I asked Mary to sweep _____ up.
| A．were; it |
| B．are; them |
| C．was; it |
| D．is; them |
The Olympic Games in the year 2008 ______ in Beijing of China, which ______ known to us all.
| A．is to hold; is |
| B．is to be held; was |
| C．are to hold; is |
| D．are to be held; is |
I, who ______ your close friend, will try my best to help you out of trouble.
| A．am |
| B．is |
| C．are |
| D．be |
Either you or the president _______ the prizes to these gifted winners at the meeting.
| A．is handing out |
| B．are to hand out |
| C．are handing out |
| D．is to hand out |