________such heavy pollution already, it may now be too late to clean up the river.
| A．Having suffered |
| B．Suffering |
| C．To suffer |
| D．Suffered |
—Carry your __________ with you,your money,jewelry,camera and so on.
—OK.Thank you for reminding me.
| A．valuables | B．suitcases | C．gifts | D．bags |
Korean culture is really exciting right now.The Korean Wave is __________ Asian countries including China.
| A．sweeping | B．striking | C．destroying | D．experiencing |
Liu Xiang,in the 2004 Olympic Games,_________ the 110 m hurdle world record.
| A．exchanged | B．repeated | C．combined | D．equaled |
The headmaster was dismissed three months ago.The post is too important to leave __________ any longer,especially before the college entrance examination.
| A．alone | B．away | C．vacant | D．occupied |
There are a lot of computers in the lab,and they need professional __________ to make sure they can be in a good state.
| A．operation | B．maintenance | C．service | D．advice |