练习材料： L50-1: New Year resolutions The New Year is a time for resolutions...

练习材料： L49-3: The ideal servant No only was the meal well below the usual...

练习材料： L49-2: The ideal servant Though my aunt pursued what was, in those...

练习材料： L49-1: The ideal servant It is a good thing my aunt Harriet died y...

练习材料： L48-3: The silent village Sitting down on a dilapidated wooden fen...

练习材料： L48-2: The silent village Taking a path which led out of the town,...

练习材料： L48-1: The silent village In this much-travelled world, there are ...

练习材料： L47-2: Too high a price? Burglar alarms going off at any time of t...

练习材料： L47-1: Too high a price? Pollution is the price we pay for an over...