[ Grammar ]
I’m sure we … all our energy peoblems by 2050.
A. ‘ll be solving
B. ‘ll have sold
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Tenses & PrepositionModals and InversionHow many / How much - Is there / Are thereConjunctive Adverbs and PunctuationAdverbs of Manner, Likes and PreferencesDefinite vs Zero Article Abstract NounsPresent or Past TensesGrammar - either...or, neither...norPoetryDefinite and Zero ArticleOther quiz:
Vocabulary › ViewVy and I often do our ______ after school.
A. science
B. homework
C. football
D. lessons
Aspect or tenses of Verbs › View
David has been living in Raleigh, North Carolina.
A. Simple
B. Progressive
C. Perfect
D. Perfect progressive