[ Mixed General Quiz ]

The income from the oil ___ to support one of the highest standards of living in the world.
a. has used
b. has been used
c. was using
d. was being used

Select your answer:
     


Random Topics:
Interrogative PronounFuture Continuous TensePresent Perfect Tense

Next quiz: Grammar

I’ll ___ the housework later. Let’s go to the beach now.
a. do
b. make


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