Students in their school ___________ trees on Tree Planting Day every year.
| A．require to plant | B．require planting |
| C．are required to plant | D．are required planting |
—I didn’t know .
| A．when would the train arrive |
| B．where could I get the book |
| C．what has been done |
| D．who left the message |
—What should we do with the driver hurt in the car accident?
—Let him stay. Help is on the way.
| A．calm | B．silent | C．lonely | D．still |
—Oh, I’m really sorry to hear that Yang Hao was the last to pass the finishing line.
-- he failed, he tried his best.
| A．As if | B．In order that |
| C．Even though | D．As long as |
The Clarks China for 6 years, and they are very familiar with Chinese culture.
| A．have been away from | B．have been in |
| C．have been to | D．haven’t lived in |
-- I know the people there are doing something useful to protect the environment.
-- I agree with you. I believe that those areaswith trees in a few years.
| A．are covered | B．will cover |
| C．are covering | D．will be covered |