every morning 一般前面用什么介词?还是不写介词?

every morning 一般前面用什么介词?还是不写介词? every Saturday morning 前面用什么介词,on还是in? he does exercise every morning .（改为一般疑问句）_______ he _______ exercise every morning Tom's mother does morning exercises every morning.（改为一般疑问句）____Tom's mother ____morning exercises every morning? Jack does to school every morning.(改为一般疑问句） They walk to school every morning.改为一般疑问句 I go to school every morning 改为一般疑问句 my brother has bananas every morning 变成一般疑问句 改一般疑问句Kate read English every morning. my father reads newspapers every morning一般疑问句 She has to play sports every morning改为一般疑问句 He does exercise every morning改为一般疑问句 He does some exercise every morning.改为一般疑问句 Liz has four lessons every morning.改一般疑问句 mary plays tennis every saturday morning.改为一般疑问句 she eats carrots every morning变成一般疑问否定回答 we do morning exercises every day.(改为一般疑问句) she telephones her husband every morning便一般疑问句