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5 we repaired our new apartment for about 3 months before moving
6 for 10 years, she taught English university before the beginning of the work we do not have school
7, the doctor examined my dog ​​2 hours before gave her medicine
8 we were friends 20 years before they quarreled over suschuy nonsense
9 grandmother was busy in the kitchen 3:00 before the whole family sat down at the table
10 the heat was in Moscow two weeks before it was the long-awaited coolness