Why is biomass still an important energy resource today?
A. There is a lot of it and it is easy to get to.
B. Many people don’t have access to other energy resources.
C. It is easy to replant and grow new biomass resources.
D. It keeps lumberjacks employed.

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Comparative - SuperlativeBe used to vs used toSimple Present and Present ContinuosFigurative LanguagePresent simple, Present continuous, Singular, PluralGrammar and EssayModal Verbs for Possibility-ing / InfinitivePresent TensesGerunds & Infinitives + VocabularyOther quiz:
Modals › ViewShe passed her exam with flying colours. She … very hard.
A. had to study
B. must have been studying
C. need have studied
Narrative Tenses › View
The burglar _____ to open the safe when he _____ the owner come in.
A. tried/heard
B. was trying/heard
C. had been trying/had heard
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A. details
B. detailed
C. detail
D. in detail
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It’s getting late. We should better _____________ much longer. (not stay)
A. to not stay
B. don’t stay
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