【简答题】Mr. Black has two cats. One is big and the other is small. He likes them very much. One day , his good friend , Mr. Green , comes to see him. He is very surprised( 感到惊奇的 ) to find there are two holes(...
【简答题】Archery(射箭) may be the oldest sport in the world. There are prehistoric drawings which show that bows and arrows were used 20 000 years ago. In early times, animals were always hunted and killed with ...