TheairinBeijingisgettingmuchno

The air in Beijing is getting much ______ now than a few years ago.

A．clean

B．cleaner

C．cleanest

D．the cleanest

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相关试题

—Dad，please tell me when Mum________．I miss her very much．
—She will return when she________her task．And she will bring a nice present for you．

A．returns；finishes

B．returns；will finish

C．will return；finishes

D．will return；will finish

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—Hey，man．You can’t cross the street now．You have to wait________the traffic lights turn green．
—Oh，sorry and thank you．

A．when

B．after

C．until

D．while

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—Don’t you see the sign“No Parking！”on the right？
—Sorry，I didn’t．But now I know parking________here．

A．wasn’t allowed

B．isn’t allowed

C．won’t allow

D．doesn’t allow

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—I’m very tired these days because of the senior high school entrance examination(中考)．
—Why not________music？It can make you________．

A．listen to；relaxing

B．to listen to；relaxed

C．listen to；relax

D．to listen to；to relax

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—Lions are very________，but many children like them．
—But I don’t like them at all．

A．scary

B．friendly

C．shy

D．clever

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