用所给单词的适当形式填空
（1）There was an ____  (argue) happened between Tom and Jack last night.
（2）Lucy never ____  (have) a walk after supper every day.
（3） The people in Iraq keep fighting for their own____ (free).
（4） The teenagers have to work hard because of the ____ (press) from their parents.
（5） They tried their best to find the ____ (solve) because they want to solve the problems.