Professor Wang ,()for his informative lect
题型:单项选择题
问题:
Professor Wang ,()for his informative lectures, was warmly received by his students.
A.knowing
B.known
C.to be known
D.having known
Professor Wang ,()for his informative lectures, was warmly received by his students.
A.knowing
B.known
C.to be known
D.having known