[ Present Tense ]
Water _______ on Earth as a solid, liquid and gas.
A. exists
B. exist
C. existed
D. existing
Random Topics:
Past Tense, Recount Text, and Future TenseComparison of Adjective and AdverbInfinitive and GerundsGrammar, adverbs of frequency placementConjunctions in Complex SentencesInfinitive or GerundProgressive Perfect and Simple Verb TensesSecond and Third ConditionalGrammar - Be going toTensesOther quiz:
Grammar › ViewIdentify the antecedent: Riley let her friend borrow a pencil.
A. Riley
B. her
C. friend
D. There is no antecedent.
Tenses › View
We will invite our friends for dinner next Friday.
A. past simple
B. present simple
C. future simple
D. future continuous