3、, in, for, from, on, on, on, by, during, with1.Mygrandparentslive______afarm______thecountrysidefar______here.2.Weliketovisitmygrandparents_______summervacations.3.Weliketraveling______bus,butweprefergoing______thefasttrain.4.Sometimeswehelpgrandpa______somejobs______t