Let Tom 空 talk in classrommA.to not B.to don't C.not D.don't 说明理由

Let Tom 空 talk in classrommA.to not B.to don't C.not D.don't 说明理由
Let Tom 空 talk in classromm
A.to not B.to don't C.not D.don't
说明理由

Let Tom 空 talk in classrommA.to not B.to don't C.not D.don't 说明理由
not 因为let sb not do sth是固定用法