第1个回答 2014-11-29
I am doing my homework in my bedroom
第2个回答 2014-11-29
I am doing my homework in my bedroom.
第3个回答 2014-11-29
I'm doing homework in the bedroom
第4个回答 2014-11-29
I am doing my homework in my bedroom.
第5个回答 2014-11-29
i am doing my homework in my bedroom