Rewrite these sentences

41.That motorbike belongs to Mr.Trung.
=>That is............................
42.There are four people in her family.
=>Her family.......................................
43.My house is behind the hotel.
=>The hotel...........................
44.Does your class have over 800 pupils ?
=>Are................................................?
45.My brother is driving to work now
=>My brother goes............................
46.Huyen wak to school everyday
=>Huyen goes....................
47.Does your school have over 800 pupils?
=>Are....................................?
48.You have 6 children.
=>There are................
49.What is the price of a cake and an orange?
=>How..................................?
50.Shall we go camping in Con Vanh Beach this Sunday?
=>Let...................................