What difficulty will you have people when you stay in a foreign country?
A. understand
B. understanding
C. to understand
D. understood
网友回答
A. understand
(答案→)B. understanding
C. to understand
D. understood
解析：句意：当你在国外的时候，理解别人说的话，有什么困难吗？Have difficulty in doing sth.是固定用法，意思是做…有困难，选B。