第1个回答 2015-03-26
I spent 1 hour on finishing my homework.
请参考,谢谢。
第2个回答 2015-03-26
I finished my homework in one hour.
I spend one hour finishing my homework.
It took me one hour to finish the homework.
The homework took me an hour.
spend 时间/金钱 on sth
spend 时间(in) doing sth
第3个回答 2015-03-26
It costs me one hour to finish my homework.
第4个回答 2015-03-26
I spent one hour in finishing my homework.