问题
选择题
Tony, would you go and see if Sam has any difficulty __________ his tape recorder?
A．to fix
B．fixing
C．for fixing
D．fix
答案
答案：B
考查短语： have difficulty (in )doing sth 做什么事情有困难，句意：托尼，你去看看萨姆再修他的录音机方面有困难吗？所以选B。