People start _____ _____(为……准备) the festival a month before.
问题描述：
People start _____ _____(为……准备) the festival a month before.
答
preparing for
preparing 这个动名词作start的宾语.
for是固定搭配.
prepare for为……而做准备
另外,这个句子大概写错了,谓语应该是过去时,started,因为后面有个时间状语a month before.