C
think 否定前移。
I don't think Sam is at home . 意思是:我认为山姆不在家。
祝你开心。
C
sb be at home 这个搭配应该是这样,at home前应加系动词
I think 后面如果接否定句,应该否定前置
因为Think要否定前移,所以B D是错的,后一个空肯定不写does,应该是is,所以应该选C.
C.think用法的否定转移。相当于 I think sam isn't at home.
C. I don't think Sam is at home (我不觉得山姆现在在家)
I ____Sam ____ at home. A.think,does B.think ,doesn't C.don't think ,is D.think ;isn't
c