[ Tenses ]
Dinosaurs ___ extinct long before human beings dominated the earh.
A. had become
B. was becoming
C. has become
D. used to become

Random Topics:
Question TagGrammar Double Object VerbsPhrase and ClauseVOCAB & GRAMMARAuxiliary WordsActive & PassiveIf ConditionalsAction, Helping & Linking VerbsThere is or There areSubordinating ConjunctionsOther quiz:
Verbs › ViewHe ______ his parent’s for their anniversary.
A. call
B. called
C. answer
D. answered
Future Tenses › View
The work of the scientist (achieve) the proper acclaim.
A. will achieve
B. will have achieved