英语同义句转换急求It takes me an hour to do my homework.帮帮忙,急用!一定要正确!

问题描述:

英语同义句转换急求It takes me an hour to do my homework.
帮帮忙,急用!一定要正确!

I spend an hour (in) doing my homework.

I spend an hour doing my homework.