今天的开场笑话和例句：

A little boy asked his father: dad, am I adopted? 

Dad said, not yet, so far no one is interested.  

吃了吗，吃了，吃了吗，还没

Have you eaten yet? 

Did you eat yet？

其他例句

I have already finished my homework.

I haven't yet finished my homework.

Have you told him the news yet?

Are you ready?

Not yet.

I only have one child. 

Sofie is my only daughter.

There are only two tickets left.

The ticket are for students only.

Only five people passed the exam.

Sofie  has a mobile phone but uses it only during weekends.