[ Modals of Obligation and Permission ]
He —– stand on the plane. There are seats for everyone.
A. mustn´t
B. have to
C. doesn´t have to
D. muts

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Wish clausePresent Simple and Present ContinuousPerfect Progressive TensesNeither/Either/All/NoneCommon Grammar Mistakes and Spelling TipsGrammar PhrasesModals - Have to or ShouldOrdering AdjectivesAdjective & AdverbsTransitionsOther quiz:
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A. airs
B. airing
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A big US oil company has given the thumbs ______ to the president’s energy plan.
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What is the Future Continuous tense of “She will paint a picture”?
A. She will painting a picture.
B. She will be painted a picture.
C. She will be painting a picture.
D. She will paint a picture.