1.前天她和最好的朋友吵架了.2.中国约有13亿人口.3.尽管他对时间要求松懈,但他对我们要求却很严格.
问题描述：
1.前天她和最好的朋友吵架了.2.中国约有13亿人口.3.尽管他对时间要求松懈,但他对我们要求却很严格.
答
she argued with her best friend the day before yesterday
there are about 13 hundred million in china
though he has a low demand for time,but he was strict with us