verb [vt. 及物动词] 变得（become 的过去式）
Kasparov became world champion. 卡斯帕罗夫成了世界冠军。
- became 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 35 Stop thief!
- Lesson 49 The end of a dream
- Lesson 59 In or out?
- Lesson 67 Volcanoes
- Lesson 21 Daniel Mendoza
- Lesson 24 A skeleton in the cupboard
