A good sense of humour is important, even in business. ...

[ Expressing Obligation and Modals ]

A good sense of humour is important, even in business. You ____________ serious all the time.

A. don’t got to be

B. don’t have to be

C. mustn’t be

D. don’t not have to be

Select your answer:

Random Topics:
Grammar Rules Adjective vs Adverb Time Verb Phrases Demonstrative Pronoun Verb + Infinitive or Gerund take, make, do Phrases & Clauses Grammar / Pronouns

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Joana ___ an additional class this semester

A. take

B. takes

C. taken

D. taking

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an organism that is killed or hunted by another

A. predator

B. prey

C. symbiosis

D. mutualism