[ Grammar ]
Teachers _______ allow students to use their phones in class unless it’s an emergency.
A. must
B. should
C. ought not
D. ought to

Random Topics:
Prepositional PhrasesVocabulary and PhrasesConditionals and Modals of ProbabilitySpeculation with Modal VerbsGerunds and InfinitivesPreposition of DirectionFigurative Language VocabularyPast Simple & Past PerfectReporting VerbsVerbsOther quiz:
Grammar › ViewHow old is _ _ _ ?
A. Her
B. She
C. Him
D. Their
Sentence Structure › View
The trees grow tall and close together.
A. Simple
B. Compound
C. Complex
D. Compound-Complex
Grammar › ViewMy grandparents love ____ very much. There are a lot of beautiful flowers
A. doing garden
B. doing gardening
C. do gardening
D. to do garden
Adjective Clause and Adverb Clause › View
As I cross the bridge over the Bosphorus, I can see the school _______ my friend studied.
A. where
B. that
C. which
D. who
E. when