[ 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:
Grammar › ViewJenny went shopping after she _____________ (have) her money back.
A. have had
B. had had
C. has have
D. had have
Grammar › View
Complete each sentence by adding the adverb in the form indicated: Kayla swam _____ than her sister. (frequently, comparative)
A. most frequently
B. frequently
C. more frequently
D. frequenter
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
