[ Modal Verbs ]
All visitors … feed the animals. It’s danger
A. mustn’t
B. should not
C. must
D. should
Select your answer:

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Reported Speech and TensePronouns, Sentence Structure, and ApostrophesAsking and Giving OpinionComparison Degree & GerundsWho vs WhomPhrase vs ClauseAnalogyDeterminersCountable & Uncountable NounsVerbs & Phrasal VerbsOther quiz:
Imperative Sentences › ViewPlease _____ the door behind you.
A. Close
B. Closing
C. To close
D. Closes
Vocabulary and Grammar › View
. Look at the smoke at the top of the mountain! The volcano _____ .
A. will erupt
B. erupts
C. will be erupting
D. is going to erupt
