[ Grammar ]
Are you brushing your teeth?
A. yes, I am
B. no, she is not
C. yes. they are
D. no

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Interjections, Tag Questions and Nouns of Direct AddressVocabularyEnglish MorphosyntaxPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousParticiple - ing/ edDo not or Does notLinking Words and PhrasesTenses and Word FormationFrequency AdverbsAdverbs, Modals, Preposition of timeOther quiz:
Grammar › ViewI read a lot of books on subject and this one is … best.
A. –
B. a
C. the
Grammar › View
. The year ——the company was founded was a significant turning point in the industry. There have been so many advances in the field thanks to this company.
A. why
B. whom
C. when
D. where
E. who
