Although he is a teenager, Fred can resist ______ what to do and what not to do.

One of our rules is that every student ________ wear the school uniform while at school.

In the Beijing Olympics, Phelps from the US is____person of wonder, ____person who swam into the Olympic history.

None of us was good at swimming, so the crossing of this dangerous river was really a_________.

The chairman asked me to  __________ the report, because he didn’t want to speak for too long at this meeting.