[ Grammar ]
I wish I … why Natalie is so upset with me.
A. knew
B. had known
C. could know
Select your answer:

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Modals and Adjectives (ed-ing)Subject Verb Agreement & Subjunctive MoodGrammar - Present and Past PassiveThe First Conditional (if/unless)AnalogyConditional Sentences and AdverbsNoun Phrases and Verb PhrasesGrammar - Nouns, Verbs, and AdjectivesIdiom and TensesVerbs and PrepositionsOther quiz:
Modals › ViewI _____ eat my dinner last night. My stomach hurt.
A. can
B. couldn’t
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Vocabulary › View
geographic pattern of where people live on Earth
A. mixed economy
B. megalopolis
C. population distribution
D. population density
