[ a, an, the, Zero Article ]
They should be educated in physical education or certified by ___ organization such as the American Council on exercise.
a. a
b. an
c. the
d. no article is needed

Random Topics:
Conjunctive AdverbPrepositions and ConjunctionsIndependent/Dependent Clauses & Relative ClausesPersonal PronounAsking and Giving SuggestionAuxiliary Verbs (be, do, have)Future Tense (will/be going to/p.continuous)Few, a few, little, a littleUsed to & would & Past SimpleAsking and Giving OpinionOther quiz:
Present Simple › ViewThey __________ every day
A. don’t play
B. doesn’t play
C. doesn’t plays
D. don’t plays
Past Tense › View
Carl did not _____ last weekend.
A. working
B. worked
C. works
Prepositions of Time › ViewI usually do my homework _________ night.
A. at
B. on
C. in
Phrasal Verb › View
Their auntie _____________ them while their mother was in hospital.
A. looked after
B. looked for
C. looked at
D. looked on