没时间，先给你挑几个吧

【from the mainland China】 => from mainland China
【northeast of China】 => northeast China
【die of a farmer】 => die as a farmer
【they barely had nothing to eat】 => [they had nothing to eat] or [they barely had anything to eat]

【I never forget how hard my single mom worked for my brothers】 =》mom never worked for you???

没时间读了。。。

【American is a great people】？？？ A people???

这是正规发言，不是在WXC胡扯啊。抛开别的不说，真不敢恭维老兄外语系毕业的。。。