问题
选择题
This math problem is so hard that I can't ______ .Please give me some advice.
A. look out it
B. work it out
C. give it out
答案
答案：B
题目分析：句意：这道数学题如此难以至于我解答不出来，请给我一些建议。look out小心；当心；work out计算出；give out分发，发出。根据句意此题应选B。