Ras Tanura EWF Passage completion 7

Before 1800, man ___1___ much oil.

• has not used

• did not use

• is not using

• does not use

During the next century, the development of industry ___2___ an increasing demand for oil.

• created

• creates

• has created

• creating

Because people ___3___ oil on the ground,

• are seeing

• have seen

• see

• saw

, scientists ___4___ that there must be a lot more oil under the ground.

• are thinking

• have seen

• thought

• have thought

As a result, people ___5___ looking for oil there.

• start

• started

• starting

• were starting

In 1859, Frederick Drake ___6___ in the ground when he

• is drilling

• was drilling

• drill

• drills

when he ___7___ oil.

• discovered

• discovers

• has discovered

• was discovering

This ___8___ the first major oil discovery in America.

• has been

• is

• was

• is being

In 1862, engineers ___9___ the first refinery

• have built

• were building

• built

• build

and since then oil production ___10___.

• has been increasing

• is increasing

• was increasing

• increased