[ Modal Verbs ]
You __________ talk after the exam has started.
A. don’t have to
B. can’t
C. mustn’t
D. shouldn’t

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Grammar PhrasesWord FormationVerbal PhrasesModals of Necessity and SuggestionGRAMMAR - Could / Could notPresent Simple for Future Arrangementwill, be going to, would like toModifiersCan/CouldPast Simple vs Present SimpleOther quiz:
Grammar › ViewChoose the sentence in which the subject and verb agree
A. Are there not enough notebooks for everyone?
B. Is there not enough notebooks for everyone?
Grammar - help/have/let/make › View
I ______ the mechanic (維修員) fix my car.
A. had
B. make
C. let
Modal Verb › ViewYou __ borrow my pen if you promise to return it.
A. can
B. must
C. should
D. could
Articles › View
‘A’ is … first letter of the English alphabet.
A. the
B. a
C. –
