1.on a Saturday morning和on Saturday morning还有on Saturday
mornings有什么区别？
2.I hope it isn't going to rain对吗？如果对，那么和I hope
it doesn't rain有什么区别？
３.He used to ________(call) on me on sundays.填calling还是
call说明为什么．
４.She can't be a teacher,_________ she?填is还是can说明为什
么．
５.Don't take off your coat,__________?填will you还是do you
说明为什么．
mornings有什么区别？
2.I hope it isn't going to rain对吗？如果对，那么和I hope
it doesn't rain有什么区别？
３.He used to ________(call) on me on sundays.填calling还是
call说明为什么．
４.She can't be a teacher,_________ she?填is还是can说明为什
么．
５.Don't take off your coat,__________?填will you还是do you
说明为什么．
