—Haven't you realized the use________the used paper?
—Yes, already.
| A．we make of |
| B．which we make |
| C．for our making |
| D．for us to make |
the city center, we saw a stone statue of about 10 meters in height.
| A．Approaching | B．Approached | C．To approach | D．To be approached |
Lucy has a great sense of humor and always keeps her colleagues with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.
| A．sticking | B．stuck | C．to be stuck | D．to have stuck34. |
Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai Province after the earthquake.
| A．sending | B．to send | C．having sent | D．to have sent |
Urban (城市) crowdedness would be greatly relieved if only the ______ charged on public transport weremore reasonable.
| A．fees | B．payments | C．fares | D．costs |