Being ________ good host takes more than helpful volunteers and building nice stadiums．Well-behaved fans are ________ face of China, too．

A．the; the

B．a; a

C．the; a

D．a; the

－Have you read this book?

－Yes．But that one is ________ worth reading．

A．best

B．more

C．better

D．much

I've just seen no more than one copy of “Gone with the Wind” in the bookshop opposite．Tom, go and buy ________ back．

A．one

B．any

C．it

D．some

There is a new problem involved in the popularity of private cars ________ road conditions need ________．

A．which; to be improved

B．that; to be improved

C．where; improving

D．when; improving

The boy said ________ couldn't he work out the problem but his teacher didn't know how to do it．

A．though

B．never

C．hardly

D．not only

She will have to find some other work for she can't ________ this loud noise any more．

A．come up with

B．keep up with

C．grow up with

D．put up with

－Why weren't you at the meeting?

－I ________ for a long distance call from my sister in America．

A．was waited

B．was waiting

C．has waited

D．have been waiting

We have done things we ought not to have done and ________ undone things we ought to have done．

A．left

B．leave

C．will leave

D．leaving

Paper produced every year is ________ the world's production of vehicles．

A．the three times weight of

B．three times the weight of

C．as three times heavy as

D．three times as heavier as

John, look at the time．________ you play the piano at such a late hour?

A．Need

B．Can

C．May

D．Must