问题
选择题
We have a high regard for Mr. Smith because he always tries to ______ his principles. [ ]
A. look forward to
B. live up to
C. keep up with
D. put up with
答案
B
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We have a high regard for Mr. Smith because he always tries to ______ his principles. [ ]
A. look forward to
B. live up to
C. keep up with
D. put up with
B