[ Modal Verb ]
. He……(ought to/shall) apologize for his behaviour.
A. ought to
B. shall

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Pronouns and AntecedentsToeic VerbRelative Clauses PronounsLet & Be allowed toAdjectives-Comparison, SuperlativeGrammar - may/might/couldGrammar and VocabulariesGrammar (either..or.. and neither..nor..)Modals AuxiliaryCoordinate ConjunctionOther quiz:
Word Form & Verb Tense › ViewI have never played badminton before. This is the first time I _____ to play it
A. try
B. tried
C. have tried
D. am trying
Present Tenses › View
Hoang ____ his email four times a week in order not to miss anything important.
A. checks
B. will check
C. is checking
D. check