[ Grammar ]
They have already invested _________ of dollars in the R&D department.
A. milion
B. milions
C. millions
D. million
Select your answer:

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Simple Present and Present ContinuousGrammar- Later/LatterPast Simple (Questions)Auxiliary WordsActive Voice-Present tenseTenses - AuxiliariesConditional and Mix Conditional SentenceFuture Simple TenseSimple Past or Past ContinuousFuture TensesOther quiz:
Future Continuous Tense › ViewWhen they meet next week, the members of the Nature Club ___________________________ their activities for the Earth Day celebrations.
A. will discussed
B. will be discussing
C. will be discuss
D. will discussing
Grammar › View
Bart Simpson is _______ child.
A. A
B. AN
