Перделать из прямой речи в косвенную: mother says, 'why are you so late, john? ' mary says, " mother, where is my bag? ' father asks," where are the children? ' mother says, ' when are the classes over, dick? ' tony says," why are you so sad, helen? ' she asks alice," when can you come and see us ? " the students say," what exercises must we do in writing? "

Mother asks why John is so late. Mary asks her mother , whereher bag is.  Father asks  where  the children are.  Mother asks dick when he classes  are over.  Tony asks Helen why she is so sad. She asks Alice when she can come and see them.  The students ask  what exercises they must  do in writing.

1. Mother asks John why he is so late.

2. Mary asks mother where her bag is.  

3. Father asks where the children are.  

4. Mother asks Dick when the classes are over.  

5. Tony asks why Helen is so sad.

6. She asks when Alice can come and see them.  

7. The students ask what exercises they must do in writing.