When is it correct to say "I is"?

When is it correct to say I is? Dear.Thank you for love.But I don't know how,is when it comes time to select,how do I choose is correct? When is it correct to say 'i is'?翻译并回答如题 What an interesting music it is.(correct) people are illogical when ___ deciding what ...two choices ,1,it comes to2,they come towhich choice is correct ,why. it is only when you have met with a failure___how to correct your attitudethat you understand will you understandwhy? It is _________(possible)for the little child _________(correct)the________(correct)maths problem ________(correct). I don't think your answer is＿＿.You'd better do it again.A.helpfulB.differentC.wrongD.correct Complete the sentences.Use should/shouldn't and the words in the boxcheck come correct go repeat talk1.When you learn a new word,you it.2.Student when the teacher is talking.3.You to class late.4.You always your homework before you give it to your te when it is f( ),we can't see anything outside Actually is used when we want to correct a mistake or supply some information that the other speaker doesn't know.中文意思? I think it's useless ___ when we have made mistakes.All we can do is to correct themA complaining B complained C having complained D being complained How long do you think it will be ___ the bus arrives here A.when B.before.C.since D.afterwhich one is correct and reason. Fill in the blanks with words chosen from the box.Change the word forms when necessary.safely heavily polite correct tidilyjoy noisy beautifully love die(1)This iron box is too ___________.I can't lift it up.(2)Kate is a very ____________ person.Ever Question= Aru: Hello, I am Aru. Choose the correct answer Razif:_____Please choose the correct answer.1)That is great2)Don't mention it.3)Nice to meet you.4)The pleasure is mine. 脑筋急转弯when one doesn't know what is it,then it is something;but when one knows what is it ,then it is nothing (不好意思啊） when is it gonna When.is.it?