问题
选择题
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
答案
答案：A
本题考查动词短语。 句意：我们十分尊重Mr. Black，因为他总是信守原则。live up to 意为“遵守，实践（诺言，原则）”。