一.写出下列数词的序数词形式.
1.thirty-eight
二.写出下列单词的复数形式 1.sheep 2.child 3.mouse 4.Chinese 5.American 6.foot 7.watch 8.boy 9.knife
三.填空 1.__ is the most popular festival in the west __ is the most popular food.It's on __.In Australia,it is __.