[ Modal Verbs ]
We ____________ book the tickets in advance. The concert is very popular.
A. must
B. may
C. ought to

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Do not- Does notPassive Voice, Modals of Deduction and First ConditionalTenses and Time MarkersAsking & Giving OpinionActive and Passive Gerunds and InfinitivesIdiomsModal RequestsVerb ConjugationModals of ProbabilityPersonal PronounsOther quiz:
Vocabulary › Viewthings that are available to help someone accomplish a job or achieve a goal
A. pursue
B. resources
C. establish
Vocabulary › View
What is the meaning of oblige?
A. a fence used as an enclosure for protection or defense
B. distrust
C. swarming
D. to accommodate