"Can you explain this word to me?" She asked her teacher.(use reported speech)

She asked the teacher if she/he could explain this word to her

"You should practise speaking English every day"Jackson said to Mary.(use reported speech)

Jackson told Mary to practise speaking English everyday

She isn't old enough to drive a car.(use to...too+to infinitive)

She is too old to drive a car

Nam is too short to reach the shelf.(use...adj+enough...)

Nam isn't tall enough to reach the shelf

She started school seven years ago.(change into present prefer tense)

She has gone to school for 7 years