What letter can you use to test your eyes?

What letter can fly? what letter is you can yourself?用中文回答答案、 What letter can you use to test your eyes? What letter is you? What letter(字母）you can see?还有What letter you don't know?均打一个字母 What letter can be drunk? What letter can see things? 写出下列字母.1.which letter can fly?2 In which letter can you swim?3.What letter can we eat What can you say in your letter if you wish to receive an early What letter isyou是什么? what letter sound like you? what word can you make shorterkey odding two letter to it?英语IQ, 你可以在哪个字母里游泳?In what letter can you swim? What letter can see things?急 What can you swallow than can also swallow you?what 5-letter word has 6 left when you take 2 letters away? Can you guess____the world _______first letter is given isA what whose B what which Cwhat is whose Cwhat is that 1、What letter can fly?2、What letter can we drink?3、What letter can we eat?4、What letter is a If you want to run a car,what is needed?Can you guess?The first letter isf