[ Modals of Obligation and Permission ]
We _______ take more than five days’ vacation at a time without approval from a manager.
A. allowed to
B. don’t have to
C. can’t
D. need to
E. supposed to

Random Topics:
Modals and Modal PerfectsSubordinate ConjunctionsVerb PatternsClausesVocab and GrammarWish + Verb 2Present simple, Present continuous, Singular, PluralFuture Perfect ContinuousMix-TensesContinuous and Perfect TensesOther quiz:
Grammar › ViewWe have to go to bed when the clock strikes ten o’clock.
A. complex sentence
B. compound sentence
C. simple sentence
Habitual and Continuous Tenses › View
We often …. lamb on Sundays.
A. eat
B. eating
C. are eating
D. are going to eat
Comparison › ViewLan is _____ at Maths than Lan.
A. good
B. better
C. best
D. well
Tenses › View
She will have been reading a book for hours by the time you arrive.
A. Future Simple:
B. Future Continuous:
C. Future Perfect:
D. Future Perfect Continuous:
