T

例句：

1. 1. 时间；2. 人名；3. 单位
   如吨、英里
2. 1.Time flies when you're having fun.
   当你玩得开心时，时间过得飞快。
3. 2.The teacher asked the students to raise their hands in class.
   老师要求学生们举手发言。
4. 3.The new manager has been trying to improve the company's performance.
   新任经理一直在努力提高公司的绩效。