1 . As a boy, he p______ meat to vegetables. But now, he likes the latter (后者) better. （根据首字母单词拼写）

2 . Bob is considering ______ (放弃，离职) his well-paid job. He may be crazy! （根据汉语提示单词拼写）

3 . One of the biggest ______ (挑战) in learning English is that we should memorize so many new words every day.（根据汉语提示单词拼写）

4 . A young man believed he could r________(修复)the old house and make it habitable. （根据中英文提示填空）

6 . In some ________(情况) people have had to wait several weeks for an appointment. （根据汉语提示单词拼写）

7 . Being arrogant is one of the less attractive aspects of her p______(个性). (根据中英文提示单词拼写)

8 . Many animals and plants are in danger of extinction because of g________ warming. (根据首字母单词拼写)

9 . My parents lent me the money. ________(不然), I couldn't have afforded the trip. (根据汉语提示单词拼写)

10 . As a famous politician once said, attack is the best method of ________（防御). (根据汉语提示单词拼写)