— Are you sure the delegation will come to our school next week?
— _____. The head of it has just emailed me about the departure time of their flight.
| A．No wonder | B．You bet | C．Don’t mention it | D．Definitely not |
Rainforests __________ and burned at such a speed that they will disappear from the earth in the near future.
A．cu t |
B．are cut | C．are being cut | D．had been cut |
_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
| A．Since | B．As | C．With | D．For |
At a beach or a swimming pool a lifeguard is a person who is responsible for __________ other swimmers and protecting them from accidents.
| A．turning to | B．watching over | C．watching out | D．digging out |
The factory produces half a million pairs of shoes every year, 80%are sold abroad.
| A．of which | B．which of | C．of them | D．of that |
Her valuable advice ________ to be taken, or you will suffer more loss.
| A．deserves | B．survives | C．serves | D．proves |