You’d better go there by train.The train ticket is________the airplane ticket.

A．a(chǎn)s cheap three times as             B．a(chǎn)s three times cheap as

C．three times cheaper than        D．cheaper three times than

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You’d bett er have your room _____. It’s _______.

clean ;in mess             B. cleaned ; a mess  

cleaned ; in mess           D. clean ; in a mess

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