Topics: Verb Tenses
Christopher Columbus ……… America more than 500 years ago.
A. discovered
B. has discovered
C. had discovered
D. had been discovering
Select your answer:

Random Topics:
TOEFL GrammarSubjunctivesCountable & Noncountable NounsReflexive Pronouns & Modal VerbsAdjective SuffixesAdverbial PhrasesTenses - Irregular VerbsModal Verbs and AdviceModals AuxiliaryKinds of SentencesOther quiz:
Grammar › ViewWhich of the following sentences has correct subject-verb agreement?
A. My spelling lessons and science homework sometimes take me hours to finish.
B. My spelling lessons and science homework sometimes takes me hours to finish.
Modal Verb › View
_______ Benjamin, William, and Elijah have a picnic if it doesn’t rain?
A. Will not
B. Could
C. Must not
D. Can
