教学目的和要求 (6 hours)To introduce to ss V-ing and require them to master different functions of V-ing in sentences.To introduce new vocabularies and expressions of text A.and ss are expected to mas... 教学目的和要求 (6 hours)To introduce to ss V-ing and require them to master different functions of V-ing in sentences.To introduce new vocabularies and expressions of text A.and ss are expected to mas...