[ 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:
Grammar › ViewThe weather is very fine. we can go fishing.
A. The weather is fine enough for us to go fishing.
B. The weather is too fine for we to go fishing.
C. The weather is enough fine for us to go fishing.
Vocabulary & Grammar › View
Joe enjoys outdoor activites. ____, his twin brother prefers to stay at home.
A. Even so
B. Nonetheless
C. In contrast
D. Regardless
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
