We cannot figure out_______quite a number of insects,birds,and animals are dying out.

A.that                   B.as                     C.why                   D.when

The Beatles, _______many of you are old enough to remember,came from Liverpool.

A.what                  B.that             C.how                   D.as

It remains______whether Jim’ll be fit enough to play in the finals.

A.seen                                 B.to be seen

C.seeing                              D.to see

The final examination is coming up soon.It’s time for us to______our studies.

A.get down to                             B.get out

C.get back for                             D.get over

My friend,who______on the International Olympic Committee all his life,is retiring next month.

A.served                       B.is serving

C.had served                 D.has served

We want to rent a bus which can______40 people for our trip to Beijing.

A.load                   B.hold                   C.fill                     D.support

If I hadn’t stood under the ladder when you fell,you______now.

A.couldn’t have smiled               B.wouldn’t be smiling

C.didn’t smile                             D.won’t smile

Preparations are being made for the Olympic Games______in Beijing in 2008.

A.held           B.holding             C.to hold              D.to be held

______more effectively with others,more and more people equip themselves with a higher education.

A.To compete               B.Being competed

C.Competing                D.Competed

______the company at such an evening party,he has been choosing a suit which will ______him best.

A.Representing;agree                   B.Represented;fit

C.Represent;match                D.To represent;suit