mom,i d like to go to the amusement park for fun._____( ).anything else?

问题描述:

mom,i d like to go to the amusement park for fun._____( ).anything else?
a have a good time.
b take it easy.
c ok,no problem.
d yes,i would like to.

c ok,no problem.行,没问题it must ( )them a lot of money.填cost还是spend还是waste??填: cost (某物花费某人多少钱)spend和waste的主语必须是人.