What difficulty will you have people when you stay in a foreign country?A. understandB. u

问题补充：

What difficulty will you have people when you stay in a foreign country?

A. understand

B. understanding

C. to understand

D. understood

答案：

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。