[ 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

Random Topics:
Modals - Reported Speech - ConditionalsSimple and Progressive Verb TensesSimilesFuture Tense and Conditionals-ed and -ing AdjectivesCan vs CouldPassive with ModalsVerb to Be Tenses & Object PronounHave to / Do not have toModals of AdviceOther quiz:
Articles A and An › View_ event like this happens once a year.
A. a
B. an
Modal Auxiliary › View
We ________ play football today because it is raining.
A. couldn’t
B. can’t
C. aren’t
D. didn’t
Verbs and Prepositions › ViewWhich preposition correctly completes the sentence: “She worries _ her final exams.”
A. about
B. with
C. on
D. for
Grammar › View
Dr. and Mrs. Kwan ________ visited Spain _______ made stops in Paris and London.
A. both, and
B. not only, but also
C. either, or
D. neither, nor
