题目内容：

连词成句 1.is she doing what 2.their these are books3.you an astronaut are.
4.go we school to friday on.5.he football does play.

优质解答

1.What is she doing
2.These are their books.
3.you are an astronaut .
4.we go to schoo on lfriday .
5.Does he play football