[ Grammar ]
Timothy _____ ______ _______ networking courses for two years when he was promoted to be a coach.
A. had taken
B. had been taking
C. have been taking
D. could have taken
Select your answer:
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Grammar SuffixesIf Conditional Zero and OneLinking VerbsSimple Present and Present Continuous TensePrepositional PhraseToeic VerbPronouns, Verb, ConjunctionTOEIC GrammarLinkers and ConjunctionsOther quiz:
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A. simple present
B. simple past
C. present perfect
D. past continuous
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While scientists know a lot about ______________hardy lizards, the one mystery that has never been completely solved is how they keep hydrated.
A. these
B. this