改错:1.Our English teacher is a middle_aged man who was

改错:1.Our English teacher is a middle_aged man who was

题目
改错:1.Our English teacher is a middle_aged man who was
2.it's said that he was graduated from a famous university in 19973.he is strict with us in our studies
答案
更正:
1.Our English teacher is a middle-aged man who (is)...
从句时态一般会和主句时态对应.
不过此句缺少后文,所以如果真有错,只能把was改成is;
2.it's said that he (去掉was) graduated from a famous university in 1973.He is strict with us in our studies.
graduate为不及物动词,没有被动语态.
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