帮助下列词汇在下面的文章中找到它们的家。 studied teacher retired taught learn ago pupil an teaching Ten years _ l , Mr Li was a __ 2 . He _ _3 _ Chinese. Chen Hai was in his class. He was a good 4._____. He _ 5 _ very hard. Now, Mr Li is _ 6_ . He's __ 7 _ English. Chen Hai is _ 8 _ English teacher. He's 9 Mr Li.