[ 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:
Personal & Possessive Pronouns › ViewI like his bag. ___________ bag is blue in colour.
A. Her
B. His
C. My
D. Their
Grammar › View
How many dependent clauses are in this sentence: “Although she missed the train, she decided to wait for the next one, but it was delayed.”
A. 0
B. 1
C. 2
D. 3
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
