1 . He is such a _____(generosity) man that he always donates money to people in need. (所给词的适当形式填空)

2 . At age 50, she found herself out of work and ________ at home only her computer to keep her ________.
50岁时，她发觉自己失业了，困在家里，只有电脑相伴。

3 . Experts believe that a significant c________ factor in many accidents is the lack of sleep among workers.   (根据首字母单词拼写)

4 . When the _____(delay) flight will take off depends much on the weather. (所给词的适当形式填空)

5 . It’s________(amaze) how quickly people adapt. （所给词的适当形式填空）

6 . The government has worked out a new regulation __________(aim) at reducing the road accidents.

7 . I am very ________ (感激) to you for having taken so much trouble. （根据汉语提示单词拼写）

8 . Putonghua is the o________ language of China, and it’s winning increasing popularity around the world. (根据首字母单词拼写)

9 . I think Martin is a________ to smoking. He just can’t seem to quit it. (根据首字母单词拼写)

10 . He was a keen amateur (业余的) photographer for many years before he turned p________. (根据首字母单词拼写)