Topics: Present Tense
Water _______ on Earth as a solid, liquid and gas.
A. exists
B. exist
C. existed
D. existing
Select your answer:
Random Topics:
Superlative AdjectivesPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousVerbs + Gerund or InfinitiveTypes of Simple Sentences1st & 2nd ConditionalsPossessive AdjectivesGrammar - Reflexive PronounsPresent ProgressiveGerunds and TensesAdverb of Frequency and TensesOther quiz:
Grammar › View_______ in dark colors, the room needed some bright lights.
A. Having painted
B. have painted
C. Having been painted
D. To have been painted
Grammar › View
A. Climate warming
B. Global change
C. Climate change