Ⅰ.根据句意及首字母或汉语提示,填写单词
1.It is foolish to waste one’s p time.
答案:precious
2.We all know that most metals e when heated.
答案:expand
3.A s blocked up all the railroads.
答案:snowstorm
4.Life is u ;he has lost heart finally.
答案:unbearable
5.He is as s as a donkey.
答案:stubborn
