There were over two hundred passebgers on the plane,about one third of which were foreigners.那個(gè)which那地方要用who的話怎么改啊？還有一個(gè)變復(fù)合句的：He heard that his father was ill.He was anxious to go home to see him. He went to the station early in the morning to buy a ticket.which指人，可用who代替的，就在原來(lái)那個(gè)位置可以告訴我，具體的要求嗎，是使用從句還是結(jié)構(gòu)或者連詞，因?yàn)橛泻芏喾N變法，嘿嘿，謝了·~就把短句變成并列句、復(fù)合句或帶有分詞短語(yǔ)、介詞短語(yǔ)或其他短語(yǔ)的句子He went to the station early in the morning to buy a ticketfor his being anxious to go home to see him onhearing that his father was ill.解釋一下，ondoing 一什么就什么，for表原因，應(yīng)該就可以了