Question

sit straight and keep quiet rewrite in indirect speech​ rewrite in indirect speech

Answer 1

Answer:

He said us to "sit straight and keep quite".

Answer 2

You have not specified any speake or receiver so I am first writing a possible question:

The teacher said to the students, "Sit straight and keep quiet."

Now here is a suitable answer in indirect speech:

The teacher commanded the students to sit straight and keep quiet.

Hope it was helpful.