----WhatistheproblemwithJenny?Shelooksworried.  -----Sh...

问题详情：

---- What is the problem with Jenny? She looks worried.

   -----She has much difficulty ______ a plan for the project.

    A. works out    work out      C. of working out   D. working out

【回答】

D

知识点：非谓语动词

题型：选择题