问题补充:
It’s a good way to control how many minutes your child talking on his cell and texting.
A. take
B. spend
C. costs
D. spends
答案:
A. take
B. spend
C. costs
(答案→)D. spends
解析:此题重点考查cost,spend,pay,take四个花费的区别;cost的主语是物常用句型结构是sth cost some money;spend的主语是人,常用的句型结构是sb spend some time/money in doing sth; pay的主语是人,常用句型结构是sb pay something some money;take的主语是it,常用句型结构是it takes sb some time to do sth