Unit 4 He lives in a village,第一课时,Old Macdonald had a farm,Old Macdonald had a farm,yi-a-yi-a-o,and on the farm he had a cat,yi-a-yi-a-o with a miaomiao here ,and miaomiao there,here miao there miao everywhere miaomiao old macdonald had a farm,yi-a-yi-a-o,and on the farm he had a dog,yi-a-yi-a-o with a owow here,and owow there,here ow there ow,everywhere owow old macdonald had a farm,yi-a-yi-a-o,and on the farm he had a duck yi-a-yi-a-o,with a quarkquark here ,and quarkquark there,here quark the