请问是think of a good idea还是come up with a good idea 比较合适

请问是think of a good idea还是come up with a good idea 比较合适 come up with a good idea等于什么? 是an good idea 还是 a good idea ,为什么 是an good idea还是a good idea? ( )6.I can’t come up with a good idea to solve the problem.A come up with a good idea这个翻译有问题么? he's come up with a good idea.________ he (反问) They should come up with a good idea.改为一般疑问句 i,come,will,my,help,best,to,up,a,good,try,idea,to,with,her连词 I came up with a good idea to that question. She came up with a good idea( )making money. what a good idea还是what good idea