Prepositions 1.my uncle left our house three years ago,and we haven't seen him......... 2.i have been playing c of the computer games..............8am this morning. 3.vietnamese people made a deep impression......her mother. 4.their son has cleaned the floors.......three hours. 5.maryam was really impressed........the beauty of hanoi. 6.she will be.........home...........tuesady afternoon. 7.we are looking forward.............new possibilities. 8.we can live.........dormitory............campus. 9.what aspect.........learning english do you find different? 10.practicing listening.........english tapes or english programs.......the radio. 11.the hotel is close...........the historical district of the city. 12.the put..........the blanket and laid..........many food. 13.he apologized.........his being late at the meeting. 14.it was hard work.......the farm. 15.the first train has just arrived..............Canberra. 16.we will eat a lot of moon cakes............Mid-Autumn Festival. 17.i am award.......Mark's reputation.........being late. 18.she is extremely well-qualified.......the job. 19.that man was fiend............dynamite fishing. 20.this electrical appliance will not work.........electricity.