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1、SectionB 3a SelfCheck 任务 同义句专练 非延续性动词与延续性动词的转换 1 become beIbecameateacherthirteenyearsago Ihavebeenateacherforthirteenyears 2 close beclosedTheshopclosedtwohoursago Theshophasbeenclosedfortwohours 3 die bedeadHisgrandpadiedelevenyearsago Hisgrandpahasbeendeadforelevenyears 4 borrow keepTheyborrowedi
2、tlastweek Theyhavekeptitsincelastweek 5 buy haveIboughtapentwodaysago Ihavehadapenfortwodays 6 join beamemberof bein Hejoinedtheleaguetwoyearsago Hehasbeenamemberoftheleaguefortwoyears Hehasbeenintheleaguefortwoyears Ihaven twrittenaletter 我还没有写过信 剖析writealetter为固定短语 意为 写信 writesb aletter writealettertosb writetosb 给某人写一封信 I mwritingmyfriendaletter I mwritingalettertomyfriend I mwritingtomyfriend 我在给我的朋友写一封信 拓展 写信给某人 的反义词组是 get receivealetterfromsb hearfromsb 收到某人的来信 Iwritetomypenpalonceamonth 我每个月给我的笔友写一封信 Didyouget receivealetterfromyourfather 你收到你父亲的来信了吗
