[ Phrasal Verb and Modal ]
“Hey Oliver, you____interrupt when Ava is speaking. What do you think?”
Which modal verb is used to express a polite but firm prohibition?
A. must
B. must not
C. can
D. will

Random Topics:
Along & AgainstPast, Present, FuturePhrasal Verb Put & GoModals - Have to or ShouldAuxiliary ModalGerunds + To InfinitiveHelping and Linking VerbsPrepositions - ConjunctionsSimple PastAdverb of MannersOther quiz:
Grammar › ViewThe children walked safely away during the fire drill.
safely means…
A. in a safe way
B. not safe
C. able to be safe
D. one who is safe
Vocabulary › View
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A. sea with many islands
B. handing down of customs, beliefs, and stories
C. any belief held as a truth not to be questioned
D. image, representation, or picture