Question

—Jack ,I have ________working out the math  problem .
--Don’t worry . Let me help you .
A. fun          B. trouble         C. experience

Answer 1

B

试题分析：fun 乐趣，趣事；trouble麻烦；experience经验，经历。句意：杰克，解决这道题我有点麻烦。——不用担心。我来帮助你。Have trouble doing sth做某事有困难。故选B。