[ Expressing Obligation and Modals ]
Complete 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
Select your answer:
Random Topics:
Can/CouldAntonymsSimple TensesVerbs and AdverbsGrammar SuffixesHow many / How much - Is there / Are therePresent and Past Simple PassiveLet & Be allowed toAcademic VocabularyTenses and VerbsOther quiz:
Grammar › ViewHow_____ butter do you need to bake a cake?
A. many
B. much
Grammar › View
choose the correct variant
A. an interesting new English book
B. an English new interesting book
C. an interesting English new book
D. a new interesting English book