where is the doctor going______the honliday?A of B at C to D for(很急,本人的家庭作业,本人叫穷,先暂时不给钱,请多多谅解!)

问题描述:

where is the doctor going______the honliday?A of B at C to D for
(很急,本人的家庭作业,本人叫穷,先暂时不给钱,请多多谅解!)

D for