Rewrite the sentences , beginning with the given words or doas directed :
1 . Playing with matches is very dangerous .
- It is ..............................................................
2 . Nam can answer that question because he is very intelligent . ( use ENOUGH )
- Nam ...................................................................................................
3 . They plan to invite their close friends for dinner tonight . ( use BE GOING TO )
- They ......................................................................................................
4 . Mai gets bad marks because she doesn't do her homework . ( make a question for the untherlined words ) .