It's interesting to abserve how vietnamese people make...for tet, the traditional new year celebration(prepare). The soliers fought...for their cuontry's freedom(hero). Be careful with those parts of the machine.they are...(relace)

1/it's interesting to abserve how vietnamese people make...for tet,the traditional new year celebration(prepare)
2/the soliers fought...for their cuontry's freedom(hero)
3/be careful with those parts of the machine.they are...(relace)
4/everyone loves john for his..(generous)
5/the classrooms are old and really need..(morden)