单项选择题
A.interaction with peersB.variety and dynamismC.an increase in language practiceD.opportunities to guarantee accuracy
A.Paraphrasing sentences.B.Translating sentences.C.Unscrambling sentences.D.Transforming sentences.
A.To make a study plan.B.To summarize a story.C.To read a text aloud.D.To do pattern drills.