[ In/On/At + Time ]
Are you going swimming ________ lunchtime?
A. in
B. on
C. at

Random Topics:
Preposition & GerundTOEICGerunds/InfinitivesPrepositions Of PlaceModals of PredictionAdverbial Concession ClausesPresent Perfect Negative and InterrogativeSimple Past or Past ContinuousPresent ProgressiveComparison of Adjective and AdverbOther quiz:
If Clauses › ViewWhere would you go if you _____ a rich person?
A. was
B. is
C. are
D. were
Degrees of Comparison › View
The British weather is __________ (bad) the Portuguese weather.
A. Worse than
B. The worst
C. Better than
D. The best