[ Grammar ]
We_________ feed the animals at the zoo.
A. must
B. mustn’t

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Pronouns and AntecedentsPresent Perfect Simple and ContinuousPresent Perfect Continuous“Put” Phrasal VerbNoun ClausesGrammar - First ConditionalGrammar SuffixesNouns & PronounsGerund after Prepositions and Certain VerbsPresent Perfect and Past SimpleOther quiz:
Vocabulary › ViewWhat is the study of religion and religious beliefs called?
A. philosophy
B. psychology
C. theology
D. sociology
Grammar › View
She ______ to school every week.
A. go
B. going
C. is going
D. goes
Question Tags › ViewHelen is coming to the park with you, ….?
A. hasn’t she?
B. doesn’t she?
C. didn’t she?
D. isn’t she?
Vocabulary & Grammar › View
There was a large ____________ of workers in front of the factory asking for higher wages. 
A. product
B. crowd
C. consumer
D. poison
