[ Preposition ]
We had to wait _____ a queue for an hour to check in at the airport.
A. in
B. on
C. at

Random Topics:
First ConditionalAdjective ClauseSimple Compound and Complex SentencesGrammar Pronoun and Singular Plural Noun1st ConditionalModals of Necessity and SuggestionConjunctivesPassive Voice - Present ContinuousNouns FormationDemonstrative PronounOther quiz:
Phrasal Verb › ViewThey __________ a large sum of money from the sale of their old furniture.
A. put by
B. make out
C. come into
D. give away
Vocabulary › View
unable to move
A. augmented
B. solid
C. petrified
D. feared
Grammar › ViewEach of the cars in the parking lot __________ a parking permit.
A. need
B. needs
C. have needed
D. were needing
Grammar › View
She ___ these days.
A. hardly ever visits us
B. visits hardly ever us
C. visits us hardly ever
D. visit hardly us
