为止(或到现在为止)已经发生或完成了(不一定结Р束)的动作或状态;过去某一时间开始并一直持续到现在并且有可能还会持续的Р动作或状态。РРР一、单项选择Р1. On my _____ birthday, my father gave me a very funny toy.Р A. five B. fifth C. the fifth D. the fiveР2.Mr. Black has been teaching English in a middle school _____he came to China.Р A. for ever B. ever since C. since then D. long beforeР3.I would like to have ____ bike this year.Р A. my own B. own my C. mine own D. own mineР二、根据汉语意思完成句子Р1. 我们两个都很擅长数学。Р ______ ______ ______ are good at math.Р2. 这两个学生都没去过长城。Р ______ ______ the students has ever been to the Great Wall.Р3. 这位年轻的数学老师赢得了学生们的喜爱。Р The young math teacher ______ ______ ______ of his students.Р4. 昨晚他把客人带到了自己的房间。Р He ______ the guests ______ his room last night.Р5. 抽烟可能会导致肺部疾病。Р Smoking may ______ ______ lung disease.РРРРРР 4
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