According to the survey, two thirds of the area__________covered by trees now and 90% of the population__________contributions to the Greening Project in the city.
| A．is ; has made | B．are; have made |
| C．is; have made | D．are; has made |
Much to his surprise，he invited only twenty friends to the dinner，but____ came．
| A．twice as many as | B．as many as twice | C．twice as many | D．twice more than |
Whether ways will be found to help China _______ the current world financial crisis is just _______ worries the public.
| A．prevent ;that | B．survive ;what | C．forbid; that | D．leave ;what |
The bill would ______ workers twelve weeks of unpaid leave for family emergencies.
| A．permit | B．supply | C．admit | D．provide |
______ two exams to worry about, I have to work really hard this weekend.
| A．With | B．Besides | C．As for | D．Because of |
—Please ______ your disgraceful conduct during the ball!
—I’m sorry. I was totally out of my mind.
| A．break up | B．set off | C．account for | D．dress up |