They are not dangerous, __? 用aren't they 还是are they

They aren't ______ books .They are yours.(they) Are they eating breakfast?No,they aren't.What are They are t() kites they aren't our kites Whales aren't fish,are they?回答 there are .反问句式 aren't they The hats aren't( ).They are ( ). The cat aren’t ---------------------.They are -----------. they aren't there还是they not there .They aren't very kind to each other, are they? they are having good time,aren't they?是什么句子 1.They aren't from China They are ___(foreign) They are onions ,aren't they?怎么回答?