Last month was December,wasn't it ?

上个月是十二月，对不对？

I was thirty on my last birthday.

我在我最后一个生日时30了。

I finish working at 5:45 p.m.

我在下午5:45点完成工作。

The restaurant is across the street from the hotel.

餐馆越过宾馆的街区。

I'm hoping to spend a few days in the mountains.

我正在希望到在山上过一些天。

Please call before you come,otherwise we might not be home.

请在你来前打一下电话来,否则我们可能不在家。