on-in-at-介词用法

1、on在星期几on Monday在星期几的早上在星期几的下午在星期几的晚上on Monday morningon Tuesday afternoonon Sunday evening在工作日on weekdays在Dayon Christmas Dayon Children' s Day on Open Day在Eve（夜晚）On Christmas Eve在几月几日May 27 ththe twenty-seventh of May准时on timeat在几点钟at six o' clockat half past sixat a quarter past sixat a qu

2、arter to sixat six fifteenat six forty-five在中午at noon在夜晚，at night在半夜at midnight在周末at weekends在节日（不含Day）at Christmasat Halloweenat Spring Festival起初at first最终at last在一末尾at the end of the year在开头at the beginning of the yearin在早上在卜午在傍晚in the morningin the afternoonin the evening在几几年in 2016在几月份in May在什么

3、季节in springin summerin autumnin winter在中间in the middle of the week及时in time最后In the end = at last = finally用on, in, at 填空1. My birthday is January. It ' s winter.2. Sunday morning, I usually go cycling. I usually start a quarter past eight.3. The shadow is long the morning. It grows short noon.T

4、hen it becomes long again the evening. night, theshadows of the lights come out.4. We could decorate our room Christmas. Our family stay together happily Christmas Eve.5. I ' m going to give a present to my dad Father ' s Day.6. December is the end of the year. January is the beginning of th

5、e year.7. The Rio Olympics is August, 2016.8. I arrive at school time every day. I always hand in my homework time.9. I go home time too. I usually finish my homework half past seven.10. Our school Open Day is the twentieth of each month.11. The students go to school weekdays. They are free weekends

6、.12. W ednesday is the middle of the week.13. first, it is a little seed. It grows and grows.the end, it is a big sunflower.用任意介词填空14. I go to school Monday Friday.May.Sure, I ' d love to.I want help others. I15. My monn s birthday is the fifth _16. W ould you like go jogging with us?17. I decid

7、e be a good citizen.want give my seat the needy people.18. Cut the shapes. Tie the shapes and the bell together the string.19. A tiny little mouse is bowing a cow. It hits the cow and calls“ Ouch! Ouch! ' aloud.20. Tom runs all the way school. He is late school.21. Tomi s mom is talking him. "Put a new battery your clock, " she says.22. It' s five forty -five. Mum is back home work.23.