Question

Поставьте глагол, данный в скобках, в нужном времени в соответствии со смыслом фразы
1)A pump for oil extraction (to invent) by engineer Ivanitskiy in 1865.
2)A new pipeline (to construct) by 2015.:
3)A new pipeline (to construct) in Baku when I came there.
4)Oil (to transport) to a new refinery lately.
5)Many pipelines (to design) by Russian engineers every year.

Answer 1

1 was invented 2 had been constructed 3 was being constructed или had been constructed 4 has been transported 5 are designed