问题
选择题
Professor Wu is a teacher respected by all of us, who always ________ new teaching methods to improve our English. [ ]
A. wears out
B. tries out
C. takes out
D. puts out
答案
答案：B
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Professor Wu is a teacher respected by all of us, who always ________ new teaching methods to improve our English. [ ]
A. wears out
B. tries out
C. takes out
D. puts out
答案：B