[ Modals and Responsibilities ]
You ___ wear a helmet while riding a bike.
A. must
B. need to
C. have to
D. responsible for

Random Topics:
Adjectives & PrepositionsGrammar RulesPast Simple and Past Continuous TensesActive-Passive VoicesSimilesLinking Verbs and TensesSuffixes (ing-ed) SentencesArticles with Proper NounsGrammar: SyntaxWh- Questions Present Simple TenseOther quiz:
Grammar › ViewIs there any snack _______ we can eat before dinner?
A. what
B. where
C. x
D. who
Grammar › View
I think your phone is … .
A. rings
B. ringing
C. rang
D. ring
Vocabulary › ViewA current version or updated report
A. Thwart
B. Vehement
C. Update-Noun
D. Update-Verb
Grammar › View
I didn’t see _____.
A. he
B. him
