Первый и второй пример это глаголы,второй с to,это начальная форма глагола подготавливаться.третий это герундий(глагол плюс существительное)подготовка.
... technologies help us to make our life better and scientific researches would help us to solve problems connected with environment and ecology. At other they would help us to feel more comfortable and relaxing.
...They think that industry makes our environment dirtier and dirtier, a lot of fumes and pollution are produced by factories, which make people unhealthy and it is a reason for lung diseases.
12)through she came running towards me.13)I saw in time saw a youth 14)climbing over a fence.15)Looking for butterflies.who took her into the alley16)
promising to show ......her against17)talking to strange....on that man18)being quite nice.but made her 19)promised never again start 20)talking with strangers.
Ответ:
Верным будет разложение Tues-day
My favorite teacher Maria Petrovna she is Russian. She is very kind and puts all good grades. she is the best teacher in our school. Если что переправь имя учительницы)))