句型转换。
1．Shanghai is seven hundred years old.（对画线部分提问）
____ is Shanghai?
2．London is famous for Big Ben.(对画线部分提问）
is London famous____?
3．How many people are there in Ji'nan？（改为同义句）
____ Ji'nan？
4. This city is 500 years old. That city is 400 years old.(合并成一句）
This city is____ that city.
5．Betty is from New York.（对画线部分提问）
____ Betty ？
