[ Comparison & Modal Verbs in Passive Voice ]
Your phone ________ off before you enter the exam room.
A. must be to turned
B. must turned
C. must turn
D. must be turned

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Because of & Inspite ofModals of ObligationGrammar - help/have/let/makeModals of Necessity and SuggestionPresent Perfect or Past Simple TenseSuperlative AdjectivesModals and Past TensesTenses and StructuresPersonal Pronouns and VerbLanguage Features of an Opinion ArticleOther quiz:
Grammar › ViewAntonym of ancient-
A. old
B. modern
Modal Verbs › View
Jessica hasn’t made up her mind about where to go to school. She…………attend Duke University.
She just doesn’t know yet.
A. mustn’t
B. may not
C. needn’t
D. can’t
Types of Sentence Structures › ViewAs I watched the girls, Susan planted the tulips, and Jessie planted the daffodils.
A. simple
B. compound
C. complex
D. compound-complex
Grammar › View
Find the error with subject-verb agreement. Select the incorrect verb.
The elaborately decorated tombs in ancient Egypt offers a glimpse into the history of the area’s wildlife.
A. decorated
B. offers
C. tombs
D. area’s
