Grammar Quiz
[ Grammar ]

It is _____ proven that electrons have a negative charge.

A. scientifically

B. scientific

C. scientist

D. science

Select your answer:
         


Random Topics:

GerundSubjective and Objective PronounPassive Voice and ModalsUsed to - Would - TensesPassive Voice of TensesPast Tense (Regular and Irregular)Past Perfect Simple TenseEnglish ArticleVerb to be

Other quiz:

Conjunctions › View

Would you prefer ice- cream ________ sundae?

A. while

B. or

C. when

D. and

Present Simple Tense › View

Computers of this brand________ really fast.

A. sells

B. sell

C. is sold

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