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If you go to ___ post office, could you bring me ___ envelope?
A. a / the
B. the / an
C. the / the

Random Topics:
Adjectives and comparisonsLinking Verbs and TensesHabitual and Continuous TensesPreposition FormPast Tense and Past ContinuousIrregular AdjectivesTenseSpeech TensesPassive Voice - Present TensesPersonificationOther quiz:
Grammar › View. Before she got married, she ________ go out most evenings.
A. should
B. would
C. must
Future Tenses › View
Next Saturday I (play) an important football match.
A. will play
B. am going to playing
C. play
D. are playing
Comparatives › ViewI/ play/ tennis/ badly/ Tom.
A. I play tennis more badly than Tom
B. I play tennis badlier than Tom
C. I play tennis worse than Tom
D. I play tennis badder than Tom
Conjunctions › View
I have a cold. ____ I should stay at home.
A. Therefore
B. and therefore
C. Therefore,
D. and therefore,
