Unit1第三册1.Disappointedbyhisbehaviour,Isaidallthistomybestfriend.Iwasjustlettingoffstream...过去分词做状语，有时为了强调，前面可...
Unit1第二册1.现在分词作状语1）GrowingupinEnglandwithaBritishfatherandaChinesemother,I’veenjoyedfoodfrombothcountrieseversinceIwas...
