--- Do you know how much that dictionary costs?

--- Do you know how much that dictionary costs? how much did you （ ）that dictionary? Do you know how much this costs?其中为什么cost要加s?不是疑问句都要用原型吗? How much do you know about AIDS? HOW MUCH DO YOU KNOW ABOUT how much do you know really about do you know how much i love my daring,do u know how much that i miss How much do I have to____this dictionary? Do You Really Know How Much You Mean to Me? How much do you know about the place?与How well do you know t how many do you know about和how much do you know about的区别