[ 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:
Tenses › ViewBeyonce _________________ (sing) beautifully at her concert last night.
A. has sung
B. sung
C. singed
D. sang
Grammar › View
When you ….. me, I ….. the dishes in the kitchen.
A. were calling/ was washing
B. called/ was washing
C. called/ wash
D. call/ was
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
