I'd like to convert some RMB yuan to US dollar, please.
请将我的一些人民币换成美元。
Your friend was here a week ago,wasn't he?
一个星期前,你的朋友曾在这里,是不是?
In the early morning, the food that had been laid out for the dead is thrown into a river or into the sea as it is considered unlucky for anyone living to eat it.