[ 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

Random Topics:
Grammar - Present Perfect with for and sinceSimple, Compound, Complex SentencesPrepositions and ConjunctionsBare Infinitive and To InfinitiveGrammar - PunctuationPresent/Past/Past ParticpleCompliment, Congratulation, and HopePast Simple (to be)3rd Person SingularIN, ON & ATOther quiz:
Past simple - Irregular Verbs › ViewMy sister and I ———–(spend) two hours cleanhing our room.
A. spend
B. spont
C. spent
Gerund and Infinitive › View
What are the infinitive verbs in the following sentence?
I hate to leave you on a bad note, but I really need to go.
A. Hate and Bad
B. To leave and To go
C. really and need
D. To leave and Bad note
Irregular Verbs › ViewWhat’s that smell? You didn’t ______________ the sausages, did you?
A. burnt
B. burned
C. burn
Grammar › View
It is good offer but I am not sure whether I should ___________ it.
A. accept
B. acept
C. accetp
D. eccept
