[ Grammar ]
Please be quiet. _____
A. I working
B. I work
C. I’m working
D. I’m work

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ComparisonsVerbs and Subject Verb AgreementCommon Error-ed and -ing AdjectivesArticles & QuantifiersConditionals 1,2,3Past and Present ContinuousAuxiliary WordsGrammarAdverbs of frequencyOther quiz:
Grammar › ViewWhat is a verb
A. an action
B. a place
C. a person
D. describes
Subject Verb Agreement › View
The orchestra ______ their own instrument.
A. buy
B. buys