问题：
[单选] ________ their luggage, the tourists hurried to the airport．
Packed。After packed。Having packed。Packing。
问题：
[单选] The 19th Winter Games, held in Salt Lake City,________ an Olympic tradition which goes back almost 3,000 years．
is the part of。are the part of。is part of。are part of。
问题：
[单选] The government who ________ responsible for this event attempted to find a solution．
were。was。are。is。
问题：
[单选] Dreams are often an elegant means of highlighting problems________ in the present or the past．
faces。facing。faced。that face。
问题：
[单选] -- How do you like these chairs?-- Yes, they are actually nice but they are not much ________ demand now．
in。on。at。for。
问题：
[单选] The differences between Chinese and western society can________misunderstandings．
course。causes。create。rise。
问题：
[单选] I applied for the job that I saw advertised ________the paper．
on。of。in。at。
问题：
[单选] More has been learned since 1945 about the chemical changes in the body than in all human history before ________ time．
in。that。which。the。
问题：
[单选] He________studied, yet he passed every exam．
frequently。little。regularly。rarely。
问题：
[单选] His health failing,________ in 1995．
Andrew Peters went on leave from the army。so Andrew Peters went on leave from the army。when the army gave Andrew Peters leave。the army gave Andrew Peters leave。
