[ Modal Verb ]
You ___________ use the phone in the class!
A. mustn’t
B. shouldn’t
C. may not
D. don’t have to
Select your answer:

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Adjective SuffixesDegrees of AdjectivesComparative and SuperlativesPrepositions of Time and PlacePast Simple Negative & QuestionsComparative and Superlative AdjectiveMorphology and Grammar-ed/-ing AdjectivesAdverb of MannersAdverbs and AdjectivesOther quiz:
Modal Auxiliary Verbs › ViewHe ______ (can / should) speak to the manager if there is a problem.
A. can
B. should
Grammar › View
I heard him _________ the window last night.
A. to open
B. open
C. opening
D. be opened
