He was an old man 1 had been teaching for 2 least 35 years and he had oldfashioned ideas 3 teaching.
1.a)who b)which c)he d)what
2.a)the b)as c)at d)so
3.a)to b)about c)for d)at
(1、2、3表示填入的词）
He was an old man who had been teaching for at least 35 years and he had old fashioned ideas about teaching.翻译：他是一个教了至少35年书的老男人，他有着一套过了时的教书方法。答案说明：1)这是典型的由who 引导的是定词从句，先行词是an old man.2）at least 是个词组，是“至少”的意思3）由于是teaching所以前面应该是个介词，根据句意应该是选about...
