[ Grammar ]
He was late. He promised to meet me ___ hour ago.
A. a
B. an
C. the

Random Topics:
Modal Verbs of Deduction and SpeculationPrepositionsGrammar and StructureFuture Tense and ConditionalsUnderstanding Product Packaging and TensesPrepotitionsCommon & Proper NounsPhrasal VerbsVerb + PrepositionComparative and SuperlativesOther quiz:
Subject Verb Agreement › ViewChoose the correct verb to complete the sentence: “Each of the participants ____ given a certificate.”
A. is
B. are
C. were
D. be
Unreal Conditionals › View
If there was a fire in this hotel, it … very difficult to escape.
A. was
B. wouldn’t have
C. would be