We have a high regard for Mr. Black because he always tries to his principles.
A. live up to
B. look forward to
C. catch up with
D. put up with
网友回答
(答案→)A. live up to
B. look forward to
C. catch up with
D. put up with
解析：短语辨析。A不辜负；B盼望；C追上，赶上；D认识；结合句意可知A正确。句意：我们对布莱克先生有很高的评价，因为他总是坚持原则。