为什么下面流褐色东西:Who is the tallest boy in the team?这样的应该怎样回答？

Who is the tallest boy in the team?这样的应该怎样回答？ ( ) tallest building in the town is ( ) Bank of China. what meter the world 's tallest man is? who is the best man Who is the best actor? who is the first to .... who is the chinese communist? John is the tallest boy in the class, _______ according to himself. who is the richest around the world? Who is the Secretary of the State?