1.Did the workers apply a new method of construction?Whatmethod of construction did the workers apply?
2.Do the engineers discuss the existing conditions at the plant?Wheredo the engineers discuss the existing conditions?
3.Will the mechanism work much longer?Howlong will the mechanism work?
4.Did the scientists start the experiment?Whostarted the experiment?
5.Did the oil field produce oil of good quality?Whatdid the oil field produce?
6.Did the real exploitation of crude oil begin in the 19th century?Whendid the real exploitation of crude oil begin?
7.Is the economy of many nations influenced by petroleum industry?Whatis the economy of many nations is influenced by ?
Если ответ по предмету Английский язык отсутствует или он оказался неправильным, то попробуй воспользоваться поиском других ответов во всей базе сайта.