899. I'm sorry, these 2 books are 3 days overdue.小姐，对不起，这两本书已经过期3天了。

898. I have two cats. One is white, the other is black.我有两只猫，一只是白猫，另一只是黑猫。

897. I am so full that I would burst with another bite.我吃得如此之饱，我感觉我再吃一口肚子就要胀破了。

896. He appears to be your friend but I doubt if he is.他看上去像是你的朋友，但我怀疑他是否是真心的。

895. Growth, however, brings new problems and concerns.不过，发展也带来了新的问题和顾虑。

894. We are prohibited from smoking on school grounds.我们被禁止在校园内抽烟。

893. The population of the city is close to a million.这个城市的人口接近一百万。

892. The old lady enjoys a quiet life with her family.老太太和她的家人安享宁静的生活。

891. No one knows the 本地 of the hidden treasure.谁也不知道藏宝地点在哪里。

890. No matter what happened, he would not say a word.不管发生什么事，他也不会说一句话。