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二、根据第一题的剖析改写句子 1.She sat by the window and enjoyed the beautiful sight outside. She sat by the window,　　　　　　　　 the beautiful sight outside.  2.When she saw nobody at home,she decided to leave a note. 　 nobody at home,she decided to leave a note.  3.When they heard their teacher’s voice,the pupils stopped talking at once. 　 their teacher’s voice,the pupils stopped talking at once.  4.If you think carefully,you will find the answer. 　 carefully,you will find the answer.  5.Their car was caught in a traffic jam,thus it caused the delay. Their car was caught in a traffic jam,thus 　　　the delay.  答案:1.enjoying　2.Seeing　3.Hearing　4.Thinking　5.causing