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