Complete the sentences with at,in,or,on 1.Mobile phones were invented the 20th century 2.Out flight is leaving ___ Wednesday at 9.30___ the evening and arriving ___ 12ocock ___ Thursday. 3. We have an exam ___ Monday morning. 4. In most countries, bank's and offices are closed ___ Christmas day and New year day.
5. I hate driving ___ night getting up early ___ the morning and working ___ weekends. 6. Steve Jobs was born ___ 1955, and hi died 5th October, 2011. 7. ___ Easter we went to Portugal and we're going again ___ the summer ,probably the last two weeks ___ July