英语：请用括号中所给单词的适当形式完成下列各题

英语：请用括号中所给单词的适当形式完成下列各题
1.As we know ,France is a ____(Europe) country.
2.Most students have some____(difficult) in working out the math problem.
3.The price of vegetables is ____(increase)very fast these days.
4.Sophia often sees her brother talk with a stranger____(recent) and she feels surprised.
5.Teachers in this school want to take some ____(measure) to improve the school environment.