[ must/should ]
Students … eat in class.
A. mustn’t
B. shouldn’t

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Present Simple Tense PassivePossessive Adjectives & Possessive PronounsSo or SuchSentences vs Run-OnsAnalogyAlthough, Though, In spite of, DespiteModal and Relative PhrasesTransitional WordsAdverbs or AdjectivesSimple Present VS Present ContinuousOther quiz:
Grammar › ViewNoah Webster an American Dictionary of the English Language in two volumes in 1828, and since then it ____ the recognised authority for usage in the United States.
A. published/became
B. has published/has become
C. published/was becoming
D. published/has become
Many vs. Much › View
_____________ times did you watch the English class videos in an average week?
A. How much
B. How many
