Complete the following sentences with the appropriate preposition:
1. What do you do ____ weekends?
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2. I'm seeing my grandmother ____ Tuesday.
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3. Susan is coming ___ five o'clock.
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4. Can I talk to you? - Sorry, but I'm leaving ____ five minutes.
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5. There aren't any lions ___ Greenland.
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6. We're going to London ____ June for three months.
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7. Would you like to come with me ____ Monday morning?
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8. I don't need more money ___ the moment.
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9. It was so romantic, we met ____ sunset.
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10. We all like to think that cars will be able to fly ____ the next century.
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