Question

【题目】The students are clever. They have no problems _____ out the math problem.

A. work B. working C. works D. to work

Answer 1

【答案】B

【解析】

试题句意:这些学生很聪明。他们在做这道数学题时没什么困难。have problems (in) doing sth 表示“做……有困难”;work out是“做出”的意思‘故选B。