[ Grammar ]
According to the rules, you ______ wear a helmet when you play ice hockey. You won’t be allowed on the ice without wearing one.
A. can
B. have to
C. may
D. will

Random Topics:
On, At, ByArticleVerb Tenses and Subject Verb AgreementGerund and InfinitivesComparison DegreeHave to / Do not have toGerunds in SentencesGerunds as Objects of PrepositionsAll, Both, Neither, None, Either-ing &-ed AdjectivesOther quiz:
Modal Verbs › ViewIt expresses obligation.
A. Can
B. Should
C. Must
D. May
Grammar › View
I ______ a bus to school in Taipei every day.
A. drive
B. take
C. ride
DEGREE COMPARISON › ViewLinda is as … as her sister.
A. beautiful
B. beautifully
C. more beautiful
D. most beautiful
Conjunctions › View
My mom doesn’t like chocolate ice cream, ___ does she like vanilla.
A. nor
B. or
C. but
D. so
