1.spend for for 后跟目的,如:I spent five dollars for the ticket. 2.spend doint 通常是spend some time/money (in) doing sth,如: I spent an hour reading. 3.另外还有spend...on sth,如: He doesn't spend much time on his homework. = He doesn't spend much time (in) doing his homework.
spend for vt.花钱买 I can't spend so much money for/on it. spend doing 可以是"花时间做......"也可以是"花时间买......" I spend too much time in playing computer games. My sister spends too much money in buying clothes.