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 › ViewHow is the present tense used in this sentence? Bus 25 comes every 15 minutes.
A. actions that happen repeatedly or regularly
B. information about the present condition that is true
C. information that we believe is a fact
D. actions that take place at the time of speaking
Grammar Phrases › View
. I never buy fruit at the grocery store. The word “never” is preposition
A. adverb
B. adjective
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
