[ 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:
Grammar › ViewMaria claims ……………… 15 kilos since she went on a diet.
A. to have been losing
B. to lose
C. to have lost
D. to be losing
Grammar › View
I want to sleep in, _____ I have to go to school.
A. or
B. but
C. nor
D. and
He _____ 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
