根据提示填空（每空一词，数字不能写阿拉伯数字）
我们班有四十个学生。
There____ ____ students in our class.

No way! I don’t think              should be allowed to drive. I am worried about your safety.

—How many books do you have?
—I have ______book. That's ______ English book.

Football is so exciting that______ people in the world play it.

Eight______students in our school are from countryside.

— John, how old is your grandfather?
— ______. We had a party for his ______ birthday last week.