[ 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:
Prepositions › ViewShe traveled _____the cannal through England
A. beneath
B. across
C. among
Homonyms › View
The teacher calls the student ___ every morning.
a. role
b. roll
He ______ 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