[ 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:
Grammar › ViewThe bears are hungry. ________ are hunting for food.
A. We
B. It
C. They
D. He
Grammar › View
We …………………..………….. Joe at the office at this time tomorrow. (meet)
A. are meeting
B. were meeting
C. will be meeting
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