things are on the moon__on the earth not so light,as

问题描述:

things are on the moon__on the earth not so light,as
A.much lighter,than
B.much heavier,than
C.as heavy,as
D.not so light,as 为什么不选D

答案:【A.much lighter,than】
两者比较用比较级,much修饰比较级lighter
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