what a good idea还是what good idea

what a good idea还是what good idea 是an good idea 还是 a good idea ,为什么 是an good idea还是a good idea? --What about --swimming with us?--Good idea A.go What about taking a train to Ji'nan?Good idea. ( ) 3 What you said ___.like a good idea. What good idea have you___ ____ ____? a good idea a good idea 翻译 --------a good idea GOOD IDEAit's a good idea to learn 还是 that's a good idea to 请问是think of a good idea还是come up with a good idea 比较合适