Решить 16. who was on/in charge of building the big ben? 17. nobody can show good results under/in pressure. 18. while/as soon as he saw the man, he immediately recognized him. 19. after the university she made a career by/in law. 20. in/at the age of 5 mozart could play the musical instrument brilliantly. 21. before/when leonardo da vinci had a bright idea, he wrote it down in his notebook. 22. mari curie died by/of radioactive poisoning. 23. this job brings him about/in enough money to get by. 24. in/at the end of his report he thanked everyone for the attention. 25. while/as soon as he was working, he often glanced at the clock.