[ 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:
Present Simple Tense › ViewIn the mornings, Betty …………… (take) her sister to school.
A. take
B. takes
C. took
D. taking
Grammar › View
Greg …………. near here when he was younger.
A. used to live
B. is living
C. has lived
D. lives
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
