— I don't know ________ this math problem. It's too hard.— You can ask Mr. Liu for help. [

题目简介

— I don't know ________ this math problem. It's too hard.— You can ask Mr. Liu for help. [

题目详情

— I don't know ________ this math problem. It's too hard.
— You can ask Mr. Liu for help.

[     ]

A. how to work out
B. when to draw up
C. how to give up
题型:单选题难度:中档来源:福建省期末题

答案

A

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