问题描述：
______they are most intersted in is ____ they can produce more and better cars.
______they are most intersted in is ____ they can produce more and better cars.
A:that ; how B:what how C:what,what D:that; that
为什么?怎么翻译?
______they are most intersted in is ____ they can produce more and better cars.
A:that ; how B:what how C:what,what D:that; that
为什么?怎么翻译?
问题解答：
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