Choose the correct item.1. In/At the age of 5 Mozart could play the musical instrument brilliantly.2. Who was on/in charge of building the Big Ben?3. After the university she made a career by/in law.4. Mari Curie died by/of radioactive poisoning.5. Nobody can show good results under/in pressure.6. Mari Curie died by/of radioactive poisoning.

:oon the brothers came to the conclusion that it was heat but not smoke that lifted things.

8. He was an army officer and brought up his son like a little soldier, hoping it would build his son’s character.

9. In this laboratory students perform scientific research.

10. What I like about working as a deadlines is that I don’t have to stay in the office.

11. The salary is good, the job is rewarding, the only problem is that it’s a bit hard for me to meet freelancer.

12. Her husband got a new job in the other city, so they had to moved there.

13. The animals landed safe and present before the eyes of a huge crowd.

14. As his father is a military man, John has to change schools quite often.

15. Mary has worked overtime every day this week as it’s the busiest time in the company.

не поняла, три слова, которые остались не сипользованными, Вам нужны?

на всякий случай, вот они:

sound, bring out, sloppy

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В №11 не уверена, в том смысле, в чём там может быть трудность? Но это так, Вам же грамматика важна, а не ситуация. Тот кто задание составлял - оригинал. )))