what do people do when they meet _______ the first time A.at B.in C.for D.on

问题描述:

what do people do when they meet _______ the first time
A.at B.in C.for D.on

for the first time

意思:第一次,首次

人们首次见面会做些什么呢?

A at the first time 第一次 固定用法