1．He was only five feet nine，the minimum height for a policeman.
2．At the election I voted for the man whom I believed to be the most suitable．
3．That is what our commitment(承诺) to peace and security demands.
4．The household(家用的) robots you can buy are，by contrast，still made for only one job.
5．She doesn't want to take her new boyfriend home in case her parents don't approve(认可)．
