介绍:
20171113
776. In the west of America, there are many high peeks and deep canyons.
在美国西部有许多高峰和深谷。
777. Which one is the longest river in China? 中国哪条河流最长？
778. Do you get much rain in summer? 这里夏天雨水多吗？
779. Is the plain along the river good for farming? 河畔的平原易于发展农业吗？
780. It's cold and foggy in London at this time of the year.
在每年的这个时候，伦敦寒冷而多雾。
