[ 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:
General Knowledge › ViewWhat letter is not present anywhere on the periodic table of elements?
A. Q
B. J
C. F
D. X
Grammar › View
_____ he wants to or not, he’ll have to clean his room.
A. When
B. Whether
C. Despite
D. Although
Present Tense › ViewHe _____ late. I can’t put up with anymore.
A. always come
B. always comes
C. is always coming
D. comes
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The engine ____ smoothly when we started the car at 9 AM yesterday.
A. was running
B. runs
C. is running
D. will run