[ Modal Auxiliary Verb ]
If you plan to take a long trip in the car, you ___ get a full tank of gas or you might run out of gas!
A. Should
B. Don’t have to
C. Must not
D. Don’t have to

Random Topics:
Verbs and PrepositionsVerb + PrepositionInfinitive or GerundPrepositions and AdverbsSubject and Verb AgreementTOEFL Adjective and AdverbFormal & Informal WordsFuture TenseGrammar ClausesModals - Conditionals - Future TensesOther quiz:
Grammar › ViewI work _____ Monday to Friday.
A. until
B. on
C. from
D. ago
Grammar › View
_______ you a doctor when you ________ in London?
A. Were; lived
B. Did; live
C. Were; did leave
Grammar › ViewMy brother ________ in the park.
A. played
B. play
C. playing
D. pleys
Modal Verbs › View
My brother has been working in the garden the whole afternoon. He …………… tired.
A. must be
B. can’t be
C. shouldn’t be
D. must have
