A Mouse Chooses his Son-in-law的用法和样例：
- He hopes his son to graduate in law, so as to become a lawyer.
- He left nothing to his son in law, Prince Rainier of Monaco, stating:I don’t want to give the impression that I am against sons-in-law.
- Mr Markham established his son in business.
- He stopped in to see his son in the university.
- He established his son in business.