Question

All the students in my class can’t ______ the math problem. It’s too difficult for us.
A. work on     B. work out        C. work for

Answer 1

B

试题分析：句意：我们班级所有的学生都不能计算出这道数学题，它对于我们来说太难了。A. work on从事于…… B. work out 计算出；C. work for为……而工作，根据 It’s too difficult for us.可知不能计算出这道数学题。