Q:What's the price of the book/the cup?(这本书/这个杯子多少钱?)
A:It's 10 dollars(10美元.)
Q:What's the price of these books/these cups?(这些书/这些杯子多少钱?)
A:It's 100 dollars(100美元.= =)
Q:What's the price of the book/the cup?(这本书/这个杯子多少钱?)
A:It's 10 dollars(10美元.)
Q:What's the price of these books/these cups?(这些书/这些杯子多少钱?)
A:It's 100 dollars(100美元.= =)