[ Modal Verbs ]
You ___________ show your boarding pass when you’re boarding the plane.
A. should
B. have to

Random Topics:
SynonymsConjunctions and PronounsAdverbial Clause of ConcessionNoun / PronounModals, Infinitives and GerundsGrammar ( going to)Adverb of MannerPhrasal Verbs and Verb FormsParticiple AdjectivesArticles & PrepositionOther quiz:
Grammar › ViewShe _____ very busy yesterday working on her project.
A. were
B. was
C. be
D. being
Vocabulary › View
Which choice is the opposite of DESCENDANTS?
A. ancestors
B. children
C. cousins
D. family
Grammar and Vocabulary › ViewChange to the passive: They’re designing some new houses.
A. Some new houses are designed.
B. Some new houses are being designed.
Grammar and Vocabulary › View
They always______________ the windows before they go to bed.
A. close
B. closes
C. ‘re closing
