【简答题】slip; slide; glide Canadians living in that area often wear snowshoes in winter to avoid ___. He quickly ___ down the tree when the bear went out of sight. It's a lot of fun ___ down the sand hill. It...
【简答题】 Passage 2 When people have more money than they need for ordinary ( 平常的 ) things, they sometimes spend their spare money in traveling and seeing other parts of the world. European ( 欧洲的 ) people go ...