Either you or theheadmaster____the prizes tothose gifted students at the meeting.

问题描述:

Either you or theheadmaster____the prizes tothose gifted students at the meeting.
不好意思,忘了写选项:A is handing out B are to hand out
C are handing out D is to hand out

D
either...or...后面跟的词采用就近原则,单复数应该与the headmaster一致.所以排除B和C
be to do sth.将要做某件事 所以选D
句子意思是 你或者校长将在会议上为天资聪颖的学生颁奖