801 illegal cooking oil 地沟油
802. The letter "x" stands for an unknown number.字母x代表未知数。
803. The sight of the dead body scared him stiff.看到尸体把他吓僵了。
804. There are lots of huge buildings in Beijing.在北京有许多高大的建筑物。
805. There is an interesting film on Channel one.在一频道有一部有趣的电影。
806. They plan to immigrate to Finland next year.他们计划明年移居芬兰。
807. We enjoyed driving along the new expressway.我们喜欢沿着新建的高速公路开车。