2016-2017学年 译林版 必修5 Unit3 Science and nature Grammar 课件 (6)
2016-2017学年 译林版 必修5   Unit3 Science and nature  Grammar 课件 (6)第3页

 90%students master the function of past participle 85% students master how to correctly use pastparticiple 80% students master tenses and voices of past participle

学习目标