1 . 他采用独特的教学方法，这激起了学生们的求知欲。(现在分词短语作结果状语)
He adopts unique teaching methods,_________

2 . Here I am, alone under this broad sky, ________.
我独自一人在这广阔的天空下，呼吸着新鲜的空气，享受着这伟大的冒险。

3 . 他埋头学习，不知道其他人都早已离开了。(bury)
_________, he didn’t know that all the others had left.(分词短语作状语)
_________, he didn’t know that all the others had left.(分词短语作状语)
_________, he didn’t know that all the others had left.(原因状语从句)