题目内容：

英语就画线部分提问the flet very tired after they worked all night long就划线部分提问
the flet very tired after they worked all night long（very tired）
the chidren played happily in the park (played)
her mother has to stay in hospital for a few days (fo a few days)

优质解答

1 How did they feel after they worked all night?
2 What did the children do happily in the park?
3 How long does her mother have to stay in hospital?