[ Travel Vocabulary ]
When you arrive at the airport, you must __________ your boarding pass at the check-in desk.
A. switch on
B. pick up
C. recommend

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Modals of Obligation & Prohibition › ViewI _____ renew my drver’s license before it expires.
A. mustn’t
B. have got to
Grammar › View
What part of speech is the word ‘on’ in the sentence ‘The book is on the shelf’?
A. Preposition
B. Verb
C. Adjective
D. Noun
Vocabulary › Viewhe likes to ………… me helps whenever I get problems.
A. accept
B. offer
C. ask
Conjunction › View
I was late _______ my car didn’t start.
A. and
B. so
C. but
D. because
