[ Grammar ]
___ hour ago we met ___ history teacher.
A. A / an
B. A / a
C. An / a
D. An / an

Random Topics:
Identifying Sentence TypesAdjective Clause and Adverb ClauseAdjectives (-ed / -ing)Gerunds, Infinitives and ParticiplesAdjectives with -ED and -INGComparisionsComparative and Superlativesso vs suchSynonym and AntonymIrregular Plural NounsOther quiz:
Grammar for TOEFL › ViewKettledrums, what were first played on horseback, were incorporated into the orchestra in the eighteenth century.
A. what
B. played
C. were
D. into the
Modal Verb › View
Let’s…………….
A. going to the zoo
B. go to the zoo