[ Tenses ]
Fish were among the earliest forms of life. Fish …………….. on the earth for ages and ages.
A. existed
B. are existing
C. exist
D. have existed

Random Topics:
Adverb and Noun ClausesRelative Clauses beginning with PrepositionsUsed to - Would - TensesCoordinate ConjunctionDeterminers & QuantifiersGrammar, Literature, and VocabularyPast Perfectas...as, comparatives, superlativesFuture - Will and Be going toVerb Types and TensesOther quiz:
Vocabulary › ViewI was _________ in the lunch line when everyone was trying to get their food.
A. amiable
B. conceal
C. dubious
D. sandwiched
Modal Verbs › View
Choose the correct modal verb to complete the sentence. She _ be at home by now.
A. must
B. may
C. can
