Why does the Leaning Tower of Pisa in Italy lean?It leans be

Why does the Leaning Tower of Pisa in Italy lean?It leans because of mistake.It has leaned since the day the tower was built.
In 1174,the people of Pisa,Italy wanted ro build a tower.They wanted the tower to be the most beautiful bell towers in all Italy.The city also needed a bell tower because the church did not have one.
As soon as the first floor of the building was finished,the tower started to lean.Builders tried to make the building straight as they added more floors,but the Leaning Tower only got worse as the towergrew.It took almost 180 years to finish the tower.Today,the Leaning Tower has eight floors.It is 54.5 metres tall,and it leans almost 4 metres to one side.The tower is also sinking into the ground on which it was built.Every year,the tower leans another 1.5 centimetres.
Like all old buildings,it is also falling apart.If someone cannot figure out a way to save the tower,it will fall apart in 175 more years.
1.Why did the people of Pisa want to build the tower?
A.Because they needed a new church.
B.Because they needed a bell tower.
C.Because they needed a leaning tower.
D.Because they needed a beauiful bell.
2.The tower began to learn ________.
A.after the first floor was built
B.after the last floor was built
C.from the first day it was built
D.after it was built
3.What main problem does the tower have today?
A.It is falling apart
B.It is leaning more each year
C.It is sinking into the ground
D.It stops leaning
4.When was the Leaning Tower finished?
A.In 1174 B.In 1349 C.In 1280 D.In 1354
5.The phrase "figure out" in the last sentence means_________.
A.show B.pass C.find out D.ask