花时间/钱的"花"英语单词是什么?

spend 后既可接时间又可接钱，如：
I spend two hours on my homework．或 I spend two hours
in doing homework．
I spend 100 dollars on the coat．
cost后只能接钱，如：
It costs me much money to buy the books.
take 后只接时间，如：
It takes her 3 hours to finish her homework.
注意cost 和 take 不能用人做主语．
plenty of后只接不可数名词，a lot of后既接可数又能接不可数名词．

take

spend ,cost，take
可数不可数都可以

need

waste 两者都可以

1，2后面都可以加

spend.
i spend two hours on my homework.
i spend two hours in doing my homework.

cost.take
It costed me two hours to do my homework.
It took me two hours to do my homework.

need.
I need two hours to do my homework.