[ Grammar ]
_______ ________ never __________________.
A. They / explore a cave.
B. We have / explore a cave.
C. We have / explored a cave.
D. We have not explore a cave.
Select your answer:

Random Topics:
Tenses & AffixesGerundsSubordination ConjunctionsPreference & Future TensePassive Voice and ModalsMain Idea and Sentence StructureSimple Verb TensesAdjectives vs AdverbsPrepositions & Prepositional PhrasesMust / must notOther quiz:
Vocabulary › Viewa group of 16-23 people charged with determining whether there is a sufficient cause to believe that a person has committed a crime and should be made to stand trail
A. indictment
B. arraignment
C. grand jury
D. bail
Mixed General Quiz › View
Carnival, ___ in Brazil by the Portuguese, has assimilated local elements, mainly from the black culture from Rio and Bahia.
a. was introduced
b. has introduced
c. introduced
d. introducing
