[ Past Perfect Tense ]
They _____ a lot the days before, so they were ready for the exam.
A. had studied
B. had study
C. have study
D. hadn’t studied

Random Topics:
Grammar and PrepositionInfinitive GerundGrammar - Present and Past PassiveTenses StructureFuture Simple TensesTime ExpressionsActive and PassiveComparatives and Past Perfect TenseGrammar (Adjectives)IELTS VocabularyOther quiz:
Adjectives & Preposition › ViewSome football fans were disappointed ____ the referee’s decision
A. to
B. about
C. with
D. at
Modal Verbs › View
PERFECT MODALS. They didn’t finish the project on time. They ___________ started earlier.
A. should have
B. must have
C. could have
D. might have
Present Tense › ViewHe _____ late. I can’t put up with anymore.
A. always come
B. always comes
C. is always coming
D. comes
Tenses › View
The engine ____ smoothly when we started the car at 9 AM yesterday.
A. was running
B. runs
C. is running
D. will run
