[ Modals of Advisability ]
You _____ sleep too late if you have an exam tomorrow.
A. had better not
B. shouldn’t
C. mustn’t
D. couldn’t

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So - Too - Either - NeitherVocabulary and DefinitionsSingular and Plural NounsPronoun-Verb AgreementCan vs be able toGrammar & VocabularyTypes of Sentence StructuresPreposition of PlacePresent SimpleGrammar - either...or, neither...norOther quiz:
Comparison › ViewJupiter is ……. planet in the solar system.
A. the biggest
B. the bigger
C. bigger
D. biggest
Modals › View
All students ____ wear uniforms at school because it is a rule.
A. should
B. have to
C. ought to
D. must