[ Passive Voice ]
America ___ several centuries ago.
A. will be discovered
B. had been discovered
C. was discovered

Random Topics:
Preposition of TimeShould and Shouldn'tContrastive ConjunctionsSimilesConjunctions & PrepositionsFuture - be going toSimple Present and Present ContinuosSubordinating ConjunctionAction, Helping & Linking VerbsFirst & Second ConditionalOther quiz:
Vocabulary › ViewWhat is the meaning of the word ‘suitcase’?
A. A case with a handle, used for carrying clothes or personal items.
B. Walking quietly on the tip of your toes.
C. An act of counting numbers in reverse order to zero.
D. A clear memory of past events.
Modal Verbs › View
The teacher’s explanation was __________________. Nobody understood it.
A. confused
B. confusing
Vocabulary and Grammar › ViewMy grandfather wanted someone to take ______ his role in the company once he retired.
A. over
B. up
C. off
D. on
Grammar › View
They ______ twelve years old.
A. are
B. is
C. has got
D. have got
