With more forest ______, huge quantities of good earth ____ each year.
| A．being destroyed; are being washed away |
| B．destroyed; is being washed away |
| C．to be destroyed; are washing away |
| D．destroying; are washed away |
The public transportation in this city is very convenient, where many buses run ______.
| A．occasionally | B．approximately | C．immediately | D．frequently |
The purse found on the playground matches the ______ by Mary, so it must be hers.
| A．direction | B．expression | C．description | D．instruction |
The road ______ for vehicles is under repair. Drivers are required to take some other routes.
| A．meaning | B．meant | C．to mean | D．being meant |
—When shall we go planting trees in the hill?
—______ it begins to rain, so they don’t need watering.
| A．Not until | B．While | C．Till | D．Unless |
World Expo 2010 Shanghai China, a grand-scale global event, has ______ the significant theme “Better City, Better Life.”
| A．abandoned | B．adopted | C．advocated | D．adapted |