I do not think ads are veryuseful,______?A.do I B.aren't they C.are they D.do they
问题描述：
I do not think ads are veryuseful,______?A.do I B.aren't they C.are they D.do they
I do not think ads are very
useful,______?A.do I B.aren’t they C.are they D.do they
答
C.are they (在这里,意思是；不是么?）
I do not think ads are very useful,（are they）?
翻译；我不认为广告有用,难道不是么?
求采!