I can't believe how much better I feel.
真想不到我觉得好多了。
I didn't know how much to bring.
我不知道该带多少。
How much is my share of the take?
我的那一份收入是多少？
How much money do we need to do the job properly?
我们需要多少钱才能做好这件事？
How much are these? They don't have a price on them.
这些东西卖多少钱？它们都没有标价。