[ Grammar ]
The dinosaurs —- for millions of years before humans appeared on Earth.
A. have been extinct
B. had been extinct
C. were extinct
D. are extinct
Random Topics:
Collective NounsGerund and InfinitiveConjunctions, Interjections and DeterminersProgressive Verb TensesGrammar (either..or.. and neither..nor..)Coordinating ConjunctionsRelative Pronouns and AdverbsAdjective or AdverbFuture or PastVerb TenseOther quiz:
Grammar › ViewThe book, _________ I read, was very satisfying.
A. which
B. who
C. where
Grammar › View
If I hadn’t been sick, he ______ out with me at the party.
A. goes
B. would go
C. went
D. would have gone