找句子错在哪(英语)在线等

1.I am No.8.
2.What is seven plus/and seven？It is fourteen.

1 what is your number I am No.eight
2 what are seven and seven ? They are fourteen
其实第二句应该说 What is seven plus seven? Seven plus seven equals fourteen

1、I am NO.eight,去掉in
2、第二个没看出来错~，用来表示数学计算时，应该单数，不用改成复数形式