1 The house's name is the White House.(改为同意句)

1 The house's name is the White House.(改为同意句)
The ______ _____ the house is the White House.
2 You must listen to the teacher careyully.(改为祈使句)
______ _____ the teacher carefully,please.
3 There is one sheep near the river (对one sheep 进行提问)
____ ____ ____ ____ there near the river?
4 How old are you (改为同意句)
____ ____ your ____?