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

问题补充：

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

A. understanding

B. understood

C. to understand

D. understand

答案：

(答案→)A. understanding

B. understood

C. to understand

D. understand

解析：考查词组;have difficulty (in)doing的变化形式，句意是：当你呆在外国的时候，理解人们会多么难啊。选A。