题目内容
【题目】My parents were ____ vacation last week.
A. on B. at
【答案】A
【解析】此句意是:上周我父母在度假,on vacation度假,应选A。
练习册系列答案
相关题目
题目内容
【题目】My parents were ____ vacation last week.
A. on B. at
【答案】A
【解析】此句意是:上周我父母在度假,on vacation度假,应选A。