冒险岛超能力者和龙神:Everyone knows the answer, don't they?这个句子是不是前后不一致？

everyone knows _he is a good student Everyone knows the answer,_________. 反意疑问句。 Everyone knows the answer, don't they?这个句子是不是前后不一致？ who knows the different A fashion or a lasting treasure, who knows what the future has in store for the minibook? Who knows about Mario, a pop singer, not the super mario. Everyone in our school knows him very well. __ everyone was tired Bill got up and made a motion that the meeting be discontinued. Everyone Can Have a Baby Everyone except Bill and Jim__ there when the meeting began.A.was B.is C.are D.were