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

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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

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
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

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
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 not
2 Don't enter the room when you aren't asked to.
Don't enter the room until you are asked to.

这里只能是unless, 等于 if....not 表条件的

如果没被邀请,不可进入房间。


【希望帮助到你,若有疑问,可以追问~~~
祝你学习进步,更上一层楼!(*^__^*)】那如果是until 你不能进入直到你被邀请,为何不行?until 是表时间段的, 表示句子中的谓语动词所表动作持续到什么时候为止。你看行?until在not.....

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这里只能是unless, 等于 if....not 表条件的

如果没被邀请,不可进入房间。


【希望帮助到你,若有疑问,可以追问~~~
祝你学习进步,更上一层楼!(*^__^*)】

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