Topics: 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:
Auxiliary Verbs (be, do, have)going toClauses of ReasonConjunctive AdverbsContinuous TensesFuture Perfect TenseProgessive TensesGrammar (Adverbs, Prepositions, Prepositional Phrases)Modal Verbs of PermissionAdjective & AdverbOther quiz:
Future Tenses › ViewMy parents are returning from Italy next Monday at 7 p.m. So this time next Monday I ….. them at the airport.
A. will be meeting
B. will have met
C. will meet
D. will have meeting
Grammar › View
……………….. in big cities ……. controlled by red and green lights.
A. Traffics, are
B. Traffic, is
