Question

几道英语题，英语高手帮帮忙吧~~急急~~

根据句意，填入合适的数词（写英语单词）
1、Su Hai is ＿＿（12） years old.She is in Class ＿＿（5) Grade ＿＿（6）.
2、September is the ＿＿（9）month in a year.
3、Which girl is slimmer，the ＿＿（2）one or the ＿＿（3）one？
4、One ＿＿years is a century（世纪）.
5、There are ＿＿ minutes in an hour.

Answer 1

1 twelve , Five , Six
2 ninth
3 second , third
4 century
5 sixty