[ Expressing Obligation and Modals ]
“This class is very dirty. We… clean it before the teacher comes.” The best answer to complete the sentence is…
A. should
B. must
C. must not
D. should not
Select your answer:
Random Topics:
Correlative conjunctionsModals "Should"Degrees of ComparisonFood VocabularyPerfect Tenses and VocabularySubject/Verb Agreement with Collective NounsTenses and ArticlePrepositions of Time & PlaceFuture Continuous Tense
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Grammar › ViewHe’s been working there _______ ten years.
A. since
B. for
C. already
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Artists wanting to participate in the contest should submit their work by the _________ of June 30.
A. admission
B. possibility
C. deadline
D. output
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