Our house is on the top of the hill, and in winter the winds be pretty cold.
| A．must | B．ought to | C．can | D．need |
__ has been mentioned above, continued chairman after he took a sip of coffee, ____ the project must be carried out before spring flood comes.
| A．As; that | B．That; which | C．This; which | D．It; that |
There is a common belief among them _______rubbish can and should be put to good use .
| A．which | B．if | C．whose | D．that |
____was most important to her ,she told me ,was her family .
A. It B This C. What D. As
People in Chongqing are proud of __they have achieved in the past ten years .
A. that B. which C what D. how
Could I speak to ____is in charge of International Sales ,please ?
| A．anyone | B．someone | C．whoever | D．no matter who |