阅读短文，判断对(√)错(×)。(20分)
The Greens are in Beijing today.They are visiting the Palace Museum.It belonged to the Kings many years ago, but it is open to tourists now.The Greens have to walk a lot inside.Bill is Mr Green's son.He wants to sit on the chair in the middle of a sitting room，but a guard comes and stops him.The Greens will go to the Great Wall tomorrow.
(  )（1）The Greens are in Beijing today.
(  )（2）The Palace Museum didn't belong to the Kings many years ago.
(  )（3）The Greens have to walk in the Palace Museum.
(  )（4）The Greens will go to the Summer Palace tomorrow.