问题描述：
The box is ( ) heavybecause there is ( ) sand in it.
A.too much ,to much B.much too ,much too C.much too ,too much D.too much ,much too
应该选什么?希望能说一下原因
A.too much ,to much B.much too ,much too C.much too ,too much D.too much ,much too
应该选什么?希望能说一下原因
问题解答：
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