[ Grammar ]
What is the affirmative form of ‘Don’t close your book’?
A. Close your book
B. Not close your book
C. No close your book
D. Don’t close your book

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Modals › ViewOur teacher _____________ do homework, but we do.
A. doesn´t have to
B. don´t have to
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She’s …………. the new technology.
A. used to
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