Complete the sentences with the given words in their suitable forms（用括号中所给单词的适当形式完成下列句子。每空格限填一词）

1.2012 is a leap year. That's why there are _____ days in February. (twenty-ninth)

2.It is clear that your schoolbag is much heavier than _______. (I)

3.Thousands of_______were lost in the terrible earthquake happened in Japan. (life) 

4.We are very ______to our teachers for their great help. (thank)

5.Your smile is the best way to show people your_______. (kind)

6.Wu Liangyong is one of the_____to get China's Top Science Award this year. (win)

7.He needs a secretary who can also_________his life for him. (organization)

8.With the development of China, Chinese has become an international language and is______used all over the world. (wide).

根据提示写出与数字有关的内容。

1.There are ___________ months in a year.

2.There are ___________ days in a week.

3.A person usually has ___________ fingers.

4.The school ends at __________ past five. (5:20)

5.How old is Sue? She is __________ years old. (11)