[ Grammar ]
I don’t know ___________ she didn’t accept my offer.
A. whether
B. what
C. why
D. who
Select your answer:

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Present Continuous vs Future TensesV-ing/to-VPassive Voice with ModalsCoherent Sentence with Correct Grammar StructureModals and Active and Passive VoiceArticleWishesAdjectives with PrepositionRelative ClausesTenses, Tag Questions, Phrasal VerbsOther quiz:
Preposition › ViewWhich preposition fits best? “The movie starts __ 7 PM.”
A. on
B. in
C. at
D. by
Grammar › View
There is a shoe store here. But _____ shoe store is closed now.
A. a
B. an
C. the
