昨天晚上我花了三个小时做作业.（3种）用英语怎么说
问题描述：
昨天晚上我花了三个小时做作业.（3种）用英语怎么说
答
I spent three hours to do my homework last night.
答
1.It took me three hours to do my homework last night . 2.I spent three hours in doing my homework last night .3.I spent three hours on my homework last night.