[ Vocabulary ]
Land, labor, and capital
A. Capital
B. Product possibilities
C. Factors of production

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Modals and TensesVerbs - third personGerund/ To Verb/ VerbContrastive ConjunctionsWill vs be going toApostrophe GrammarPast simple - Irregular VerbsAuxiliary WordsEd and Ing EndingsSubjunctivesOther quiz:
Modal Verbs › ViewThis recipe ___ feed up to ten people.
A. could
B. would
C. Should
Vocabulary and Phrases › View
What does “reside” mean?
A. To decorate something
B. To live in a particular place
C. To improve something
Modal Verbs › ViewYou _________ enter the doctor’s room now.
A. may
B. might
Tenses › View
It’s my parents’ wedding anniversary : they …………….for 14 years.
A. married
B. had married
C. were married
D. have been married