指出错误并改正 how long did you spend in the dinner?

题目

指出错误并改正 how long did you spend in the dinner?
How long did you spend on the dinner?(　　　　　　　)
Then you'll have to pay the lost book.(　　　　　　　)
My motorbike spent me ￥5000.(　　　　　　　)

答案

how much
pay for
spent改为cost