.
_____ price decline ______ farmers' income, the central government has decided to buy more crops to protect farmers.
| A．Preventing; to affect | B．To prevent; affecting |
C．Having prevented; affecting | D．To prevent; being affected |
More than one teacher _____ thought highly of the boy.
| A．has | B．have | C．is | D．are |
In any eme rgency, you should always remain _____.
| A．calm | B．silent | C．quiet | D．still |
The number of people who can afford to buy their own houses ________ more than 80%, but a number of houses _________.
| A．are; hasn’t been built | B．are; has built |
| C．is; haven’t been built | D．is; have built |
After dinner George gave Mr. Lee ________ride to________ Beijing Capital International Airport.
| A．the；a | B．a；the | C．/；a | D．/；the |
I don’t think the risk they took ______ the poisonous snake is worthwhile.
| A．being caught | B．of catching |
| C．caught | D．to be caught |