Rewrite the sentences: 1) My house don't have a big dining room. 2) There is a bath, a sink, a tower, a mirror and a bed in my room. 3) My school has forty teachers and 400 students

​1. My house don't have a big dining room
There isn't ............................
2. There is a bath, a sink, a tower, a mirror and a bed in my room 
My barthroom .....................
3. My school has forty teachers and 400 students 
There are ..................................
4. My school is in front of the drugstore