[ Past Perfect Tense ]
When I returned home,I realized that I. ………… my mobile phone at school.
A. have forgotten
B. had forgotten
C. forgot
D. am forgetting

Random Topics:
Common & Proper NounsPassive and Active SentencesVerb Tenses (Progressive, Perfect)Present Perfect Tense or Present Perfect Continuous TenseVerb AbilityModals in the PastGrammar - used toIntermediate GrammarSimple Past Tense and Past Perfect TenseModal Verbs and VocabularyOther quiz:
Narrative Tenses › ViewThe children ______ for an hour when their parents arrived.
A. played
B. had played
C. were playing
D. had been playing
Grammar › View
I love ______ bag. I bring it to school every day.
A. his
B. her
C. your
D. my
Vocabulary › ViewHow often do the workers ____________ for a meeting?
A. Request
B. Assemble
C. Recuperate
D. Resume
E. Experience
Grammar and Vocabulary › View
Music devices like 8-tracks and vinyl records are ________ today.
A. predict
B. obsolete
