是an good idea还是a good idea?

是an good idea还是a good idea? 是an good idea 还是 a good idea ,为什么 A person may have an idea about himself that will prevent him from doing goo 是(Sounds like a good idea.)还是(Sound like a good idea.)说明原因 请问是think of a good idea还是come up with a good idea 比较合适 what a good idea还是what good idea 这里的an是修饰哪个词?an good idea和an beatiful island请问这里是不是修饰idea和island?所以用an.如果是修饰idea和island，good和beatiful不是元音开头，还是要用a吗？ That's a good idea.为什么不用an,难道这里的不定代词是用来修饰good?什么时候可以用 an+形容词+idea GOOD IDEAit's a good idea to learn 还是 that's a good idea to learn? you have a good school trip,Tom?回答语是：thank you 还是good idea?You have a school trip,Tom?-------.A.Thank you B.Good idea it is a really good idea .还是 it is really a good idea. an good idea正确吗 “我有一个好主意”用英语怎么说?是“I've got a good idea”还是I have a good idea?如果是过去式呢? 用英语怎么说这是个好主意?是说:That's a good idea!还是说:That a good idea!大家帮帮我,最好能给个理由.谢谢了! she wanted to know后面是该接 i thought i twas not a good idea还是i didn't think it was a good idea 是It's a good idea not to do sth.还是It's not a good idea to do sth.Can后疑问句some 是否改成any? its和it's.到底是its my pleasure,its a good idea,还是it's my pleasure,it's a good idea a good idea