[ Modals of Obligation ]
You _______ wear a helmet when riding a motorcycle. You know the rules.
A. must
B. can
C. should
D. might

Random Topics:
Maritime Vocabulary and GrammarPossessive Adjectives and Possessive PronounsIN, ON & ATQuantifiers and ArticlesPassive Voice and ModalsFirst Conditional, Future Time ClausesBASIC GRAMMAR - PRONOUNSFuture FormsPresent Tense (Negatives and Questions)Modals for Necessity and SuggestionsOther quiz:
Grammar › ViewIt is good to ________ animals that are in dangerous places.
A. blow
B. rescue
C. take care of
D. brush
Grammar › View
One of the unluckiest people I know is my uncle, Jack. He has never _______ the lottery, even though he’s played for years.
A. won
B. lost