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.