Определить глагол-сказуемое в simple и определите его время (present, past или future motor cars maintained the speed of 60km within the city limits. 2. combustion of petrol produces more heat than combustion of coal. 3. the workers will use powerful machinery to assemble these huge units

1maintained-past simple
2produces-present simple
3will use-future simple

1. Our foоtball team is the winner. 
2. These dishes are on those table. 
3. My teeth are yellow. 
4. What women work in such companies? 
5. My hair is dark brown. 
6, These potatoes are in my garden
7. The cities are clean.
8. That rooms is mine. 
9. Your luggage is heavy. 
10. We luad such photos. 
11. Grey mice are under that table.
12. I like to listen to such music. 
13. He takes milk from the shelfs.
14. She dresses in her bedroom. 
15. We ask our teacher yourself.
16. He studies at this college. 
17. The boy brings our his key.
18. I help them myself after my lessons. 
19. She writes a letter for her brother by herself. 
20. They translate the text with their teacher. They aren't interesting but difficult.

More than 3,000 different languages are spoken in the world. More than 200 different languages are spoken (in) India alone. Considering all (the) various dialects (in the) world, some languists estimate that there are (at) least 10,000 variations (of) languages. If you are not skilled (at) (the) use (of) your receiver's primary language, you are facing your first major challenge (in) international business communications.
Many American companies have experienced great difficulties because of lack (of) knowledge (of) another culture's language. Pepsi cola's slogan "Pepsi comes alive" was not received well (in) Taiwan since (the) Chinese translation means "Pepsi brings your ancestors back (from) Grave."