评论
打印
1. Until he came home， we knew the news.
2. We won't start until Tom comes.
3. They talked until dawn.
4. She didn't arrive until 6 o'clock.
5. Don't leave the building until you're instructed to do so.
6. He has brought up four children.
n. 冷笑，嘲笑
v. 嘲笑，冷笑
