Что делает людей разными, что делает людей похожими?

Впервую очередь людей делают разными нация, языки,традиции, мировоззрение , вкусы похожими  их делают - общие вкусы, имена, характеры и то что они все из планеты земля . 

Людей делает похожими гены днк и разными гены изменчивость)

Choose one correct answer for each sentence

1. You … do your homework before you watch TV. B should

2. I couldn't wait for you any longer. I ..., and so I went. C had to go

3. Everyone’s asleep. We … make a noise. A mustn’t

4. I’m quite happy to walk. You … drive me home. C needn’t

5. There was a big party last night. You … hear the music half a mile away. B could

6. She isn’t answering the phone. She … … out. C must be

7. I can't find Jeff anywhere. He might … shopping. B have gone

8. She passed me in the street without speaking. She … … … me. A can’t have seen

9. I’m not sure whether I can lend you any money. I … enough.  C may not have

10. That dress you bought is very good quality. It must … very expansive. A be

Hi my best friend !

Hi ! How are your mood ?

My mood is positive. Do you let me , so I say several questions about your life ?

Yes , I allow you.

I want be know about your American life. Do you like food in American school ? Do you can rate education in American country ? Also I heard that a lot of American population more rich than population in country , in which I life and borned.

I think that this questions enough thrilling and interesting. Yes , I like food in American school. Since only useful and suitable food in my school ( vegetables , fruits) . I rate American education very high quality, since teachers in my school the most clever and learner received only useful material on various lessons. Yes , your absolutely right. Population in American enough rich and them incomes enough large. For instance : medium incomes are 5.000€