I think that Tom isn't in his bedroom.

问题描述:

I think that Tom isn't in his bedroom.

应该是I don't think that Tom is in his bedroom.谓语动词是think, believe, suppose, expect, guess, fancy, feel, imagine等表示“观点、信念、推测”等心理活动的动词时,从句中的not往往转移到主句,成为“形式否...