exploring society of real－life experience.____________

　　[答案]　exploring→to explore

　　Ⅳ.单句写作

　　1．带上雨伞以防下雨。

　　Take an umbrella ________________ .

　　[答案]　in case of rain/in case it rains

　　2．直到去年下岗，他才意识到经济危机是多么严重。

　　Not until he was laid off last year ________________ the economic crisis was.

　　[答案]　did he realize how serious

　　3．那是解决那个问题的最好方法吗？

　　Is that the best way ________________？

　　[答案]　to solve the problem

　　4．你不能把你的所有问题都归咎于你的家庭。

　　You can't blame ________________ your family.

　　[答案]　all your problems on

　　5．小时候，妈妈常常坐在我的床边给我讲故事一直到我睡着。

　　When I was little, my mother used to sit by my bed, _____________ till I fell asleep.

　　[答案]　telling me stories