[ Grammar : Must (Necessity) ]
You ___ touch that! You might burn yourself!
A. must
B. must’nt
C. don’t have to

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Grammar: AgreementPresent/Past/Future Continuous TenseModals of ObligationComparative and Superlative AdjectivesVocabulary & GrammarAdverb PhrasesModal Verbs - ObligationClause Markers TOEFL GrammarDegrees of ComparisonIf ClausesOther quiz:
Grammar › ViewI believe skydiving is the …………………………. dangerous extreme sport
A. more
B. most
C. less
Grammar › View
They ________ willing to sacrifice for you, just give them a go signal.
A. is
B. are
Vocabulary › ViewA face, especially one that expresses feelings
A. Impetus
B. Extol
C. Flamboyant
D. Visage
Grammar › View
Singular or plural?
man’s
A. singular possessive
B. plural possessive
