留学生买车优惠政策:It has five letters. It has left if you take two letters away. What is it?

It has five letters. It has left if you take two letters away. What is it? It has five letters.It has six left if you take twoletters away.What is it? It has five letters.It has six left if you take tow letters away.What is it? It has five letters.Ithas six left if you take two letter away.What is it? It has five letters.Ithas six left if you take two letter away.What is it? What one word has the most letters in it?The man who invented it, doesn't want it? What always has at least ten letters in it and may have tens of thousands of letter? He has five volleyballs.改为否定句 The Olympic flag has five ___(环). 请问“has it”是什么意思？？