[ Modals of Obligation & Prohibition ]
He _____ wear a helmet when riding his bike.
A. must
B. can

Random Topics:
Prepositions and AdverbsReflexive pronounsVocabulary, Adjective & PrepositionSubordinate ConjunctionsPossesive Pronouns and Modals of AbilityPresent Simple Affirmative and NegativeVerbs & Phrasal Verbsa, an, the, zero articleSimple Present and Present Continuous TensePresent Simple and Present Continuous TensesOther quiz:
Can/Could › ViewHe is smart. He _____ speak English, Spanish, Arabic and French!
A. can
B. can’t
C. could
D. couldn’t
Grammar › View
I _____ this book for the last four years.
A. read
B. will read
C. had read
D. have been reading
Grammar › ViewDoes Intan ___ a pair of Adidas new version of 2018?
A. has
B. had
C. have
D. having
Modal Auxiliary › View
Erwin …. lend Reiner money. He never pay back
A. will
B. won’t
C. would
D. wouldn’t
