[ Perfect Tenses ]
Sheyla ____________ the books until you reminded her.
A. hadn’t paid
B. hadn’t pay
C. hasn’t pay
D. hasn’t paid

Random Topics:
Adjectives and comparisonsPast and Past ContinuousAdverb of ConcessionModals of ProbabilityPronouns of QuantityRelative ClauseContrastive ConjunctionModals VerbComparison DegreeApostrophes and Quotation MarksOther quiz:
Articles and Quantifiers › ViewShe has lots of friends, but ____ of them will help her.
A. all
B. neither
C. none
Modal Verbs › View
He _____ eat more fruits and vegetables to improve his diet.
A. could
B. would
C. need to
D. must
Wish clause › ViewShe made lot of mistakes but I wish she______
A. didn’t
B. hadn’t
C. wouldn’t
D. did
Grammar › View
I really ____________ she’s passed the exam.
A. wait
B. hope