“Complete the sentences with proper words or expressions according to the explanations"什么意思

问题描述:

“Complete the sentences with proper words or expressions according to the explanations"什么意思
It is _____ for me to learn maths well.(not easy)
Have you ever been to a ( ) country before?(from another country)

difficult
foreign
根据提示,用合适单词的合适形式完成句子.第二个什么意思,外国的