问题补充：
You should what your parents expect of you.
A. live up to
B. stand up to
C. look up to
D. run up to
答案：
(答案→)A. live up to
B. stand up to
C. look up to
D. run up to
解析：live up to 意为“实践，做到”；stand up to 意为“勇敢地抵抗”；look up to 意为“尊敬，仰望”；run up to 意为“达到，积累到”。
