--The air pollution is terrible.
--It will be worse_______ we take action to protect the environment.
| A．if | B．unless | C．until | D．when |
All Chinese middle school students in the countryside won’t have to pay for school
.
| A．any more | B．no more |
| C．so far | D．no longer |
Miss Wang can remember, she hasn’t met the girl before.
| A．As well as | B．As long as |
| C．As good as | D．As far as |
The foreigners enjoyed themselves in Jiuzhaigou and they were all with the trip.
| A．pleasant | B．pleased | C．angry | D．strict |
— How many are there in the USA?
— There are fifty.
| A．countries | B．villages | C．towns | D．states |
— What do you want to be when you ?
— An astronaut.
| A．take up | B．come up |
| C．grow up | D．get up |