it's worth much____is worth doing.doing it what to do do what to do what 选最后一个,为什么呢?
问题描述：
it's worth much____is worth doing.doing it what to do do what to do what 选最后一个,为什么呢?
答
to do what is worth doing is worth much.此处it 做形式主语,真正主语是 to do what is worth doing
意思是：做值得做的事 是很有价值的.