1 . These bad habits, ________(如果不被控制), could lead to more serious ones when they become adults.（根据汉语提示完成句子）

2 . Once natural resources _____(用完，耗尽),such as oil,coal,natural gas and so on, the result will be unimaginable. (根据汉语提示完成句子)

3 . It’s hard for Tom to give up smoking. Because he _____(沉迷，上瘾)it. (根据汉语提示完成句子)

4 . ____ (确保)you park your car clear of the entrance. （根据汉语提示完成句子）

5 . ____(坦率地说), I prefer to keep a healthy lifestyle although I am busy every day.（根据汉语提示完成句子）

6 . I usually set a goal for every subject ________(在每学期开始时). (根据汉语提示完成句子)

7 . My grandmother ________ (倾向于) go to bed early every day. (根据汉语提示完成句子)

8 . ________ (常言道)，“Don't count your chickens before they're hatched.” （根据汉语提示填空）

9 . The team are working hard to analyze the problem ________ (以便) they can find the best solution. （根据汉语提示填空）

10 . His daughters visited him ________ (不时) when he was ill. (根据汉语提示填空)