Things made of plastic are usually ________, but they are ________ to get polluted．

A．cheap; easy

B．cheap; easier

C．cheaper; easy

D．cheaper; easier

All the club members ________ the floor when they heard someone ________ for help．

A．swept; were shouting

B．swept; shouted

C．were sweeping; shouting

D．were sweeping; shouted

A fridge is used to keep food which goes ________ very ________．

A．badly; quick

B．bad; quickly

C．badly; slow

D．bad; slowly

－Our P．E．teacher isn't as young as he ________, is he?

－No, but he is one of ________ in our school．

A．looked; the youngest teacher

B．looks; the youngest teachers

C．looks; the oldest teachers

D．looked; the oldest teacher

There is ________ with your computer．Why not have it ________?

A．nothing wrong; repaired

B．nothing wrong; repair

C．something wrong; to repair

D．something wrong; repaired

We knew little about Shu-How Lin, a basketball player from New York Knicks, ________ we watched the basketball matches in NBA．

A．until

B．if

C．so

D．because

The math problem is ________ difficult and ________ of them can work it out．

A．too much; a few

B．much too; a few

C．too much; few

D．much too; few

________ of the students in our class ________ interested in micro blogs(微博)on the Internet．

A．Two fifths; is

B．Two fifths; are

C．Two five; is

D．Two-five; are

________ great fun it is to play games on ________ QQ!

A．How;/

B．What; the

C．How; the

D．What;/

The injured man ________ to hospital by a driver yesterday．

A．takes

B．took

C．is taken

D．was taken