at - She was _________ university., by - We usually go on holidays _________ plane., for - Let's go _________ a walk., in - The cat is _________ the corner of the room., on - She got _________ the bus at this station., at - The train was travelling _________ a high speed., by - The boss wants the report _________ the end of this month., for - What are we having _________ dinner today?, in - I will join you _________ a minute., on - _________ average, students' age in this group is 10.,

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