[ Grammar ]
Before going to the dentist, you _______ make an appointment.
A. had to
B. has to
C. have to
D. having to

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-ed and -ing AdjectivesSubject/Verb Agreement with Collective NounsGerund and To InfinitiveModal Verb Gerund or To InfinitiveBasic TensesGrammar and Sentence CorrectionGerund, Infinitive & ModalsComplex Sentences with Adverb ClausesModals Of SpeculationFuture Tenses and ModalsOther quiz:
Grammar › ViewWhy ___ he so angry?
a. was
b. were
Grammar › View
Pick the pair of antonyms:
A. angry, mad
B. slim, thin
C. big, tall
D. messy, clean
________ for us?
A. Is Antonio wait
B. Is Antonio waiting
C. Is waiting Antonio
Grammar › View
This is my notebook, and that one is ___.
A. me
B. mine
C. myself
D. my
