【判断题】Such sentence as “She sells sea shells on the seashore, and shells she sells on the seashore are all sea shells I am sure. “ is called a tongue twister .
【单选题】Salt, shells or metals are still used as money in out-of-the-way parts of the world today. Salt may seem rather a strange 【B1】 to use as money, 【B2】 in countries where the food of the people is mainly...
【简答题】Last summer vacation, my family and I went to Qingdao by train. There was always sunshine and 1 、 ______ (新鲜的) air, which made us so 2 、 _____ (舒适的) . We went to the seaside, the sea was as blue as th...