[ Grammar ]
My brother ____________ wear a helmet when skiing. It’s optional when you’re over eighteen!
A. mustn’t
B. don’t have to
C. has to
D. doesn’t have to
Select your answer:

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Future Tenses and ModalsNouns and VocabularyGrammar - Punctuation of SentencesArticles A and AnVerb Tenses (Progressive, Perfect)Adverb of FrequencyTOEFL GrammarA(n), the, no articleComparison of Adjectives and AdverbsActive & Passive VoiceOther quiz:
Conjunction › ViewDad works out everyday … stay healthy.
A. to
B. in order to
C. so that
Grammar › View
Tim: How many cakes did you have?
John : I don’t know, I had ____.
A. a lot
B. no
C. many
D. that
