peter must go to bed early on school nights.同义句转换

peter must be in bed early on school nights.

Perter have to sleep early on school days

It is very late; hence you must go to bed.

Peter have to go to bed early on school nights.

Peter must go to bed early on school nights. =
Peter have to go to bed early on school nights.
解释：must 与have to同义，表示“必须，不得不”。