-Do you take exercise every day?--Yes. I always thirty minutes after supper.A. spen

问题补充：

---- Do you take exercise every day?

----Yes. I always thirty minutes after supper.

A. spend

B. cost

C. take

D. pay

答案：

(答案→)A. spend

B. cost

C. take

D. pay

解析：动词辨析 spend 人做主语，spend+钱或时间+on something/in doing sth; cost物作主语，花钱； take一般用it takes sb. 一段时间 for sb. to do sth; pay 人做主语，一般用pay for 表示付钱。