I have an idea.那如果在 idea 面前加个 great ,那 idea 面前该加 a 还是 an

I have an idea.那如果在 idea 面前加个 great ,那 idea 面前该加 a 还是 an I have an idea 变否定句 I have an another idea 还是没有an I have no idea _when___he will come back.(whether可以吗?如果可以那if呢?) Give me an awser,please.I have no idea. I ------(not wash)clothes at home I have a/an idea.I think it is a/an idea I have no idea I have ___ that he will surely come,but I have ___when he will comeA an idea of /no idea ofB a mind / no thoughtC a thought / not knownD an idea / no idea I want to eat an apple but I have no idea how to I have the foggiest idea I have an good idea(哪里错了,帮我改正过来） I have no idea( )he will win.是填whether还是that?如果改成I have some idea( )he will win.又填哪一个 Think hard then you will have an idea(保持原意)___you___hard,you will have an idea I think I have an idea that will bring Dad and you together in a more scheduled way.这句话 i have an idea but i will not tell you( )youmake three guesses.选项：before under most subject Have you got any idea for the summer vacation?这句话的一个问题如果放在口语里面,是否可以变成Got any idea for the summer vacation?回答的时候说 Yeah,I am going to Hangzhou. I have no idea!的同义句 I have no idea about it.