题目内容：

I spent an hour doing my homework yesterday(改为同义句)求大神帮助
I spent an hour doing my homework yesterday(改为同义句) It ___ ___ an hour ___ ___ my homework yesterday.

优质解答

记住这是我们老师说的：Sb spend(s) some time doing sth=It takes sb some time to do sth.做某事花了某人多长时间.所以应该填took ,me,to,do.(过去式）