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

Random Topics:
Modals and TensesVerbs - third personGerund/ To Verb/ VerbContrastive ConjunctionsWill vs be going toApostrophe GrammarPast simple - Irregular VerbsAuxiliary WordsEd and Ing EndingsSubjunctivesOther quiz:
Gerunds in Sentences › ViewWhich of the following sentences contains a gerund used as a predicate nominative?
A. Her job is teaching.
B. She is teaching a class.
C. Teaching is her passion.
D. They are teaching students.
Grammar › View
__________________ a clever woman!
A. How
B. What
C. Which
D. Where
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