[ Sentence Completion ]
Professor Stevens had studied many caves, but he had —– before seen the ones in Castleton.
A. never
B. whenever
C. yet
D. every
Random Topics:
Modal AuxiliaryCommunicative GrammarVocabulary and PrepositionsPresent SimplePassive with ModalsQuantifiers, Countable and Uncountable NounsAdverb of MannersGrammar - QuantiflierGerunds and TensesModal AuxiliariesOther quiz:
Gerunds & Infinitives › View________ “excuse me” when you bump into someone is polite.
A. Saying
B. To say
Modals › View
Which one of these modals verbs is used to give recomendations?
A. Should
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Modal Verb › ViewPeople who use public parks __________ clean up after themselves.
A. must
B. may
C. ought
D. might
Grammar › View
_____ caterpillars transform into butterflies ?
A. Do
B. Does
C. Was
D. Were