Question

4. Откройте скобки, употребив глагол в скобках в нужном времени 1) As sewage (to enter) a plant for treatment, it (to flow) through a screen. 2) After sewage (to be screened), it (to pass) into a grit chamber. 3) Your community (to have) one or more sewage treatment plants? 4) Many factories and industries (to use) cool water from nearby rivers and lakes. 5) Water pollution may (to be) due to several reasons.

Answer 1

Ответ:

2) After sewage (to be screened), it (to pass) into a grit chamber. да

Answer 2

1) As sewage enters a plant for treatment, it flows through a screen.

2) After sewage is screened, it passes into a grit chamber.

3) Does your community have one or more sewage treatment plants?

4) Many factories and industries use cool water from nearby rivers and lakes.

5) Water pollution may be due to several reasons.