还有三个句子 They eat breakfast. They have a big dinner every evening. We have a DVD player那三个句子也要变成疑问句,然后用do或does做简短的回答嘿嘿，麻烦你了哦

do they (eat breakfast) yes they do
do they (have a big dinner every evening) , yes they do
do we (have a DvD player) ,yes we do
they we 用 do
刚才你问的 she he it 之类 都用does
照着套就行了

do they eat breakfast?yes they do
do they have a big dinner every evening?yes they do
do we have a dvd player?yes we do