The (twenty) floors of the building have been built already

The (twenty) floors of the building have been built already the tall building has (twenty) floors 对划线部分提问 In the past twenty years,many tall buildings have been built I have been told the story of the old building There are eighteen floors in the building. the building has____(ten）floors I have already been to the zoo. of 与 forMany new buildings have been built for the students. Many new house have been built in the village改错 The newly built dormitory building is about_. the newly built building is about ________ the building has five floors(改为同义句)