1.which letter is very useful to a deaf woman?

Which letter is missing? Which letter is a which letter is drink? which letter is for Which letter is ‘you’? which letter is inscert? 英语谜语：1.Which letter is an animal?____ 2.Which letter is a drink?_____ Which letter is an insect? Which letter is an insect which letter is for drink? which letter is not me? Which letter is an insect? which letter is a question? Which letter is a question? Which letter is a vegetable Which letter is a drink? Which letter is a question? Which letter is the ocean?