Don't enter the room u____ you are asked to.They are having a meeting 这句话unless 和until都可以吧
问题描述：
Don't enter the room u____ you are asked to.They are having a meeting 这句话unless 和until都可以吧
好像都解释的通,请解释下选什么
答
你是对的,unless 和until都可以.unless强调“条件”,== if not 1 Don't enter the room if you aren't asked to.==Don't enter the room unless you are asked to.until 强调“时间”,== when not2 Don't enter the ...