Question

【题目】The math problem is so difficult that only few students can _______.

A. work on itB. work for itC. work it overD. work it out

Answer 1

【答案】D

【解析】

句意：这个数学题是如此难以至于只有少数学生能做出来。work on it从事，致力于；work for it为了它工作；work it over研究，检查；work it out计算出。根据句意The math problem…可知，这里应表示“算出数学题”，故选D。