what letter is an insect?

what letter is an insect?
what letter is a drink?
what letter is a question?
what latter is a vegetable
what letter is a part of the body?
what letter is a large body of water?
what letter is neither I nor he
which four latter can frighten a thief?
why is the latter E so important?
what is the end of everything?
这是我的作业来的!麻烦..帮我做做!答案是中文也无所谓!