[ Modal Verbs ]
All visitors _____ stop at this door for registration. No exceptions.
A. may
B. are able to
C. must
D. are allowed to

Random Topics:
during, for, whileModals and PrepositionPerfect ModalsSimple Past Irregular & NegativeModals and InversionGrammar Double Object VerbsQuantifiers & Modals of ObligationVerbs & Verb TensesModal Verbs for PossibilityNoun / PronounOther quiz:
Grammar › View_______live in Ho Chi Minh City than in the whole of the rest of the country.
A. As much as people
B. More people
C. As many as people
D. People more
Grammar › View
The baseball players lost _____ uniforms.
A. Their
B. Its
C. His
D. Her
Tick (✓) the comparative adjectives.
A. older
B. pretty
C. closest
Vocabulary › View
I realized I had ______ milk just as I was about to prepare my morning coffee, leading to an unexpected trip to the grocery store.
A. spilled
B. finished
C. consumed
D. run out of
