[ 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.

Random Topics:
Present Perfect Simple and ContinuousAdjective ClausesParts of SpeechPassive VoiceCountable and UncountableWho or WhomGerund/ To Verb/ VerbModals and Comparative SuperlativeArticlePresent TensesOther quiz:
Phrase or Clause › ViewBecause we no longer have to take the trash out.
A. Phrase
B. Independent Clause
C. Dependent Clause
Grammar › View
We should inform __________ of them.
A. many
B. every
C. few
D. all
Present Perfect Simple and Continuous › ViewPeeta and Katniss _____________ to the Hunger Games twice.
A. has been
B. have been going
C. have been
Verb, Object, Preposition › View
Thank you _______ your support.
A. on
B. for
C. from
