[ 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:
Gerund, Infinitive, Bare Verb › ViewHowever, he didn’t find anything unusual enough ………. why she could remember so much about her life
A. to explain
B. explaining
C. explains
D. explain
Future Tenses › View
Which sentence is correct?
A. We are going to visit our grandparents next weekend.
B. We will visit our grandparents next weekend.
C. We are visiting our grandparents next weekend.
D. We will be visiting our grandparents next weekend.
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
