itisgoodidea后接动词什么形式

后接动词不定式to do ，中文意思是这是个好主意

This is a common interview question， so it is good idea to prepare your answer ahead of time.这是一个常见的面试问题，所以提前准备答案是个好主意。

Why do you want this job? This is a common interview question， so it is good idea to prepare your answer ahead of time.