[ Grammar ]
The dinosaurs ___ for millions of years before humans appeared on Earth.
A. were extinct
B. had been extinct
C. have been extinct
D. are extinct
Random Topics:
Wish - beginnerPast Simple (to be)Linkers and ConjunctionsMust or Mus notAdverbs by TypeAdjective ClausesParts of Speech and GrammarPresent Simple Affirmative and NegativeCollective NounsOn, At, ByOther quiz:
Time Clause › ViewI haven’t met him again since we ______ school ten years ago.
A. have left
B. leave
C. left
D. had left
Grammar › View
. We _______ late for the meeting.
A. was
B. were
C. is
D. be
Grammar › ViewI haven’t read the new Harry Potter book …. .
A. already
B. yet
Modal Verbs › View
You _____ apologize for your behavior immediately.
A. could
B. should
C. can
D. may