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题目内容
（哈尔滨学院大学外语）
Professor Wang, ____ for his informative lectures, was warmly received by his students.
（1.0分）1.0 分
A、
knowing
B、
to be known
C、
known
D、
having known
（1.0分）1.0 分
A、
knowing
B、
to be known
C、
known
D、
having known
参考答案
