[ Modals of Obligation & Prohibition ]
David _____ watch his little sister when his parents go out.
A. have to
B. has to

Random Topics:
Nouns, Pronouns, Antecedents, and Singular and PluralDemonstrative PronounPossessive Pronouns and QuantifiersHomophone & HomonymModal AuxiliaryDo not or Does notTransitional WordsVerbal CommunicationPhrases and TensesModals - Reported Speech - ConditionalsOther quiz:
Adverbs of Frequency › ViewI … eat junk food because I know it’s not very healthy.
A. usually
B. never
C. sometimes
Modals › View
I ___ swim when I was six so I always ____ wear arm bands.
A. can’t/ had to
B. couldn’t/had to
Grammar › ViewThat is the place _______ Max works.
A. whose
B. whom
C. where
Grammar › View
Iced lemon tea is a ___________ drink, especially on hot days.
A. refreshing
B. refreshed
