中译英，急，不要软件翻译

Could I go back to China after I move into the dormitory in December 15th?One week later,I will be back.In that period I will still to pay the rent of 21 dollars per day.Is that ok?

I just want to know could I go back to China after Dec.15,when I will have moved into the dormitory? Then I will return here after about a week, and i wil pay the rent($21/day) when I stay in China. Could I?

老大，这，要翻的东西也太饶了吧，这边没人真没说···
顺便是一句，可以的。

May I go back to China after I move into the dormitory in December 15th?It is about a week's time,after which,I will be back and continue to live,and I will still to pay the rent of 21 yuan a day.Can I do like this?