如果不计较时态和数的变化,为: 1.take it take sb some time to do sth 2.spend sb spend some time on sth 或:sb spend some time (in) doing sth 例如:It took me 2 hours to do my homework. = I spent 2 hours on my homework. = I spent 2 hours (in) doing my homework. 注:some time指“多少时间”,即时间段/一段时间; 句型中的in可以省略不写.