—HowdidyouworkouttheMathsproblem?—Notableto

来源：语文精选馆 2.76W

—How did you work out the Maths problem?

—Not able to ________ such a difficult problem on our own, we had to turn to the teacher for help.

A．explain B．handle

C．tolerate D．select

解析：句意：“你们是怎么算出这道数学题目的？”“不能独自解决如此难的问题，我们不得不向老师求助。”explain“解释，说明”；handle“处理，*作”；tolerate“容忍”；select“精选”，B项符合题意。