[ Modal Verbs ]
George …….. to pay his electricity bill today.
A. must
B. has
C. mustn’t

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Present Simple VS ContinuousGrammar speak,talk,say,tellGerund after Prepositions and Certain VerbsAcademic VocabularyAdverbial ClausesConjunctions - ConnectorsToo or EnoughModals and Semi-ModalsFamily VocabularyVerb and PrepositionOther quiz:
Modals and Vocabulary › ViewWhich of the following sentences indicates prohibition?
A. You must finish your homework.
B. You can’t bring food into the library.
C. You don’t have to attend the meeting today.
D. You have to submit the assignment by Friday.
Tenses › View
The moment I have the chance, I _____ you the data you have requested.
A. sent
B. will be sending
C. have sent
D. will send
Grammar › ViewYou won’t pass the test unless you ……………
A. study
B. don’t study
C. will study
D. studied
Vocabulary › View
loud enough to be heard
A. Intimate
B. Intelligibly
C. Baleful
D. Audibly