They ____________ be good in the classroom.
A. must
B. make
C. let
D. mustn´t

Random Topics:
Tenses and OpinionsVocabulary and Verb TensesModals and Active and Passive VoiceConjunctions - Conjunctive AdverbsSubject Verb Agreement; Indefinite PronounsPresent Perfect TensePrepositions of Time & PlaceArticles A and AnAdverbial ClauseGrammar - SimilesOther quiz:
Grammar › ViewComplete the sentences with the correct form of the modals and verbs in parentheses:
We ___________ (must / maintain) excellence in our customer service or people will complain.
___
A. mustn’t maintain
B. must maintain
C. must maintains
Quantifiers › View
……………………….bread do you eat?
A. How many
B. How much
C. A lot of
D. Many
Adjective Clause › ViewShe had beautiful long hair, ____________ she wore in braids.
A. That
B. Which
C. Where
D. Whose
Vocabulary › View
The Hollywood screenwriter made a(n) ____________ presentation of his idea to studio executives last week. The film would follow the life of Zenko, an alien who, thanks to ___________ circumstances, finds himself on Earth in the form of a 19-year0old millionaire.
A. translucent; circumspect
B. lucid; providential
C. providential; lucid
D. invidious; circumspect
E. photogenic; phototropic