[ Modal Verbs ]
I’m afraid Mr. Harding ___ see you now. He’s busy.
A. can’t
B. mustn’t
C. shouldn’t
D. needn’t

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Grammar - may/might/couldCOUNT - NONCOUNT NOUNSIdentify The TensesPresent Simple PassivePreposition and Word FormIF CLAUSEPronouns and QuantifiersFuture TensesGerund, Infinitive, Bare VerbVerbs + Gerund or InfinitiveOther quiz:
Grammar › ViewJoe has taken a Mandarin course
A. A Mandarin course has taken by Joe
B. A Mandarin course has been taken by Joe
C. Mandarin course have been taken by Joe
Perfect Tenses › View
I am very tired. I __________ six pizzas since morning.
A. delivered
B. have delivered
C. was delivering
D. deliver