We should do what we can our environment.
| A．protect | B．be protected |
| C．protected | D．to protect |
To________nature is to help ourselves，or we will be punished．
| A．protect |
| B．prevent |
| C．provide |
| D．pollute |
—Whose T-shirt is this?
—It________be John’s．It’s________small for him．
| A．can’t；much too |
| B．can’t；too much |
| C．mustn’t；much too |
| D．mustn’t；too much |
—It’s difficult for village children to cross the fiver to school．
—I think a bridge________over the river．
| A．should be built |
| B．will build |
| C．is built |
| D．was built |
Jack________dislike the weather in Beijing in spring，because there is so much wind and sand．But now he________it．
| A．is used to；used to |
| B．used to；is used to |
| C．was used to；is used to |
| D．used to；uses to |
—How much is the ticket to Central Park?
—A one-way ticket________$40，and you call________another $20 for a round trip．
| A．costs；pay |
| B．cost；spend |
| C．pay；spend |
| D．spends；pay |