Question

Заполните пропуски предлогами и наречиями, где необходимо. to achieve the level knowledge; to solve the problem; is becoming great importance; to attach importance the problems; to cause changes the environment; the sharp increase water pollution; cases sickness are caused the lack clean water.

Answer 1

1. -, of
2. -
3.of
4. to
5. of, in
6. -
7. of, of , of