It is the f____highest building in the world.

It is the f____highest building in the world. The tallest building in the world is( ). the Great pyramid is the oldest building in the world Where is the party?-- It is in Xinhua Building. This tower is the tallest building in the world(改为同义句） money,it is the most important thing in the world It is the longest word in the world保持愿意 It is one of the s________ wonders in the world Is Sears Tower____(tall)building in the world.用比较级或最高级 The building is the highest building in shenzhen. there is ( ) building in the city Thhere is arom in the building.