DO they还是DOes they?

DO they还是DOes they? They前面用Do还是does? 是Do they like swimming,还是Does they like swimming? What _sheep like?They like grass填do还是does? nobady knows where she lives,do they?还是does he 麻烦问一下,是does they还是do they?在问句中! 他们几点吃饭?是what do they eat 还是does they eat? Are they English还是Do they English when do they leave 为什么不用does What()they have?( are do does is) 将they go to the zoo together改为疑问句应该用do还是does 哥 我又遇到难题了 they到底是第几人称 does 还是do