---How much do I need to you for this book?-Twenty yuan.A. spendB. payC. costD. take

问题补充：

---How much do I need to you for this book?

---Twenty yuan.

A. spend

B. pay

C. cost

D. take

答案：

A. spend

(答案→)B. pay

C. cost

D. take

解析：为什么东西而付款与for搭配的单词是pay，故本题选B。