Uptonow,oursocietywithlimitedl

Up to now, our society ________ with limited living space and a shortage of natural resources.

A．has been challenged	B．is being challenged
C．is challenging	D．has challenged

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Great changes ___ in the city, and a lot of factories ___.

A．have been taken place, have been set up

B．have taken place, have been set up

C．have taken place, have set up

D．were taken place, were set up

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Internet, as well as the telephones, ________ an important part in our daily life.

A．is playing

B．have played

C．are playing

D．play

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The value of life lies not in the length of days ，but in the use we ______ them.

A．make

B．made of

C．made

D．make of

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Wang Hong is considered ___ one of the best students in our grade.

A．being

B．to be

C．is

D．be

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--- Do you doubt ____ he’ll be fired by the school?
--- No, not a bit. But I doubt ____ he will bury himself into study.

A．that; that

B．whether; /

C．if ; that

D．that; whether

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