Twenty years ago Norway started pumping oil from it’s portion of the North Sea. Since that time, Norway ___ the largest exporter of oil in Europe.
a. becomes
b. is becoming
c. was becoming
d. has become

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Grammar - Wh QuestionsFigurative Language Vocabularytoo / enoughgoing toAlong & AgainstVerb Patterns / IngComplex SentencesRelative ClausesAdverbs, Infinitives, Definite ArticlePast simple vs Present perfectOther quiz:
Vocabulary and Grammar › ViewChoose the correct form of the verb: By the time we arrived, the concert ________.
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You don’t need _____________ to fill your home with lush leaves.
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My little sister _____ be frightened on the roller coaster, so I´m not going to take her on it.
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