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