[ Quantifiers & Modals of Obligation ]
You _ _ _ _ _ do something to solve this problem.
A. have to
B. ‘ve to
C. must

Random Topics:
Passive Voice, Question Tag, PrepositionsFuture - Will and Be going toGerund, Infinitive, Bare VerbModal Auxiliaries and To Be VerbsGrammar for IELTSPreposition (at,in,on)Modal Verb, Passive VoiceAdverbs of frequencyQuantifiers, Countable and Uncountable NounsDefinite pronouns (Subject, Object, Reflexive)Other quiz:
Grammar › ViewJanice and Johan ________ in the park right now.
A. cycle
B. cycles
C. is cycling
D. are cycling
Past Tenses › View
… you … an ambulance while the teacher was talking?
A. Was … hearing
B. Did … hear
C. Did … heard
D. Were … hearing
First & Second Conditional › ViewWill we go to the beach if the weather ______ OK?
A. is
B. were
C. was
Modals for Deduction › View
They can’t be at the party; I didn’t see their car. What can we deduce?
A. Their car is parked nearby.
B. They are likely not at the party.
C. They left the party early.
D. They are definitely at the party.