【正文】
:當(dāng)他醒來的時(shí)候,他發(fā)現(xiàn)自己躺在醫(yī)院里,并且什么也記不起來了。 sent me an e﹣ mail, expressing(express) his deep apologies for not having attended my wedding. 解析: 句意: Sam 給我發(fā)了一封郵件,表達(dá)了他對(duì)未能參加我的婚禮的深刻歉意?,F(xiàn)在分詞作后置定語,相當(dāng)于一個(gè)主動(dòng)語態(tài)的定語從句。 Unit 3 Section Ⅱ 單句語法填空。 attention has been paid to the environmental issues arising(arise) from China ’ s population growth and economic d