[ Modals for Obligation ]
You _____________________ pay attention in class.
A. must
B. mustn’t

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So, Such, Many, MuchRelative & Interrogative PronounsPast Perfect vs Past SimpleModal Verbs of PermissionPresent tense AffirmativeGrammar and Verb TensesCountable & Noncountable NounsModal Verb Gerund or To InfinitivePast and Present Continuous tensePossessive PronounsOther quiz:
Verb Tenses › ViewHe……………………… in an office.
A. work
B. works
C. working
Tenses › View
Somoeun_________ (get up) at 6:00 am every day.
A. get ups
B. gets up
C. get up
Vocabulary › ViewTaking responsibility for one’s own actions
A. Accountability
B. Conscience
C. Temperance
D. Beneficence
Grammar › View
Yuri Gagarin was one of the pioneers of space _____.
A. exploration
B. explorer
C. exploring
D. explorers
