It's impolite to keep s____ when our parents are talking with us.
问题描述:
It's impolite to keep s____ when our parents are talking with us.
答
It's impolite to keep silent when our parents are talking with us.
父母和我们谈话时,保持沉默是不礼貌的
解析:It is adj to do 做...很...,keep 在这里是系动词,后面接形容词.
祝开心~!