In the United States, there is always ____ flow of people to areas of ______ country where more jobs can be found.
| A．a; the | B．the ; a | C．the; the | D．a; a |
(安徽省马鞍山市2009届高三第一次教学质量检测) It was reported that as many as 50％of patients do not take medicine
directed
，has drawn doctors’attention．
| A．when；it | B．as;what | C．as;which | D．that;and |
Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
| A．where | B．when | C．that | D．what |
(南京市2008—2009学年度第一学期期末调研测试卷)The financial crisis and the suffering ______ has caused have a great influence on the whole world.
| A．they | B．which | C．it | D．what |
(南京市2008—2009学年度第一学期期末调研测试卷)—Is this the painting ______ you offered $1000 for on the Internet?
—Yeah, I will give you 15% discount if you like it.
| A．when | B．which | C．as | D．what |
There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.
| A．mustn’t | B．shan’t | C．shouldn’t | D．needn’t |