Question

помогите пожалуйста.Переведите предложения поставив глагол в нужную форму.
1.Rein forced concrete and steel (to use-present Indefinite active) widely now for the construction jf modern bridges.
2.with the introduction of centralized traffic control system the safety of railway operation (to increase-present perfect active) greatly.
3.the car (to move-past continuous active) very fast and the traffic policeman (to shop-past indefinite active) it for over-shttding.

Answer 1

1) use 2) has increase 3) was moving для перевода напиши все без опечаток