[ Modal Verbs ]
The book is optional. My professor said we could read it if we needed extra credit. But we_______________ read it if we don’t want to.
A. don’t have to
B. must not
C. cannot
D. has not to

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Possessive Nouns with Apostrophes and PronounsModal and Phrasal VerbsGerund NounSuperlative & Comparative AdverbsAcademic VocabularyPrepositional PhraseModal Auxiliaries and Similar ExpressionsGrammar - some / anyGerund, Infinitive, Bare VerbTenses and ArticleOther quiz:
Grammar › ViewI don’t mind _______ mom with the dishes.
A. help
B. to help
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He didn’t pass the exam __________ studying hard.
A. because
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The New Year is celebrated ………..midnight …….. January 1.
A. in / on
B. at / on
C. at / in
D. in /in
