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。
________ their luggage, the tourists hurried to the airport． Packed。 After packed。 Having packed。 Packing。
John________ he could improve his exam results, but he did not have enough time to study． knows how。 knows that。 knew how。 knew that。
It is a small country, yet has a lot of________ resources．
