【题目】Parents advised me to communicate with my head teacher about the problem ________.
A.in public
B.in person
C.in half

【答案】B
【解析】句意：父母建议我亲自和班主任交流这个问题。A. in public公开地，当众；B. in person亲自；C. in half分成两半。此处指亲自和班主任交流，故选B。