[ Modal Auxiliary Verbs ]
They ______ (have to / must) clean their room before they can go out.
A. have to
B. must
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Nouns as AdjectivesPresent Simple & Present Continuous TensesPresent Perfect Simple and ContinuousNouns, Pronouns, Antecedents, and Singular and PluralThe Present Progressive TenseModal Verbs for PossibilityConjunctive AdverbPhrases and ClausesModal PerfectThe Future Simple TenseOther quiz:
Prepositions & Modal Verbs › ViewThe children like playing badminton and football_______their break time.
A. in
B. at
C. of
D. on
Grammar › View
Trung : What nationality are you ?
Tom : ___________
___
A. I’m American
B. I’m America
C. I’m from American
D. I’m from America
Tenses › ViewWhat are some typical keywords for the present tense?
A. this year, this month, today
B. at the moment, right now
C. for, since, yet, never
D. always, usually, sometimes, never
Grammar › View
Are there _____ in your briefcase?
A. any notebooks
B. a pen