介词填空.
问题描述：
介词填空.
1.The fire in the hills has been buring___last week.
2.There was nobody to take dictation___the meeting.
3.He has retired after nearly forty years of service____teaching.
答
1.The fire in the hills has been buring since last week .
山火从上星期开始一直燃到现在.
2.There was nobody to take dictation during the meeting .
会议上没有人做听写.
3.He has retired after nearly forty years of service in teaching .
在教育战线上服务了将近四十年后他退休了.