Staying in hospital and taking special medicines __________ drug users an opportunity to stay away from drugs, which is __________ the key to breaking the addiction to drugs lies.
| A．serves; where | B．provides; what |
| C．give; that | D．allow; where |
—You've made great progress in your studies of English，haven't you?
—Yes，but much________.
| A．remains to do | B．is remained to do |
| C．remains to be done | D．is remained to be done |
Tom tried to escape from the burning building.________，he was hit by a piece of burning wood and was killed.
| A．Luckily | B．Personally | C．Unfortunately | D．Happily |
________is believed that the island can be a paradise(天堂)when people live________.
| A．It；in the peace | B．As；in the peace |
| C．It；in peace | D．As；in peace |
He ________ the last of his coffee and asked for the bill.
| A．tasted | B．swallowed | C．breathed | D．spat |
After a short rest，we went back to the office to ________ our meeting.
| A．take down | B．hold on | C．carry on | D．go on |