Условие задания:

6 Б.
Read the sentences and choose the correct variant.
  
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1. He should come ____ a few minutes.
   
 
2. It didn't happen yesterday but the day ____ yesterday.
   
 
3. There's an excellent restaurant ____ the end of the street.
   
 
4. You must check the petrol ____ regular intervals.
   
 
5. I was _____ Peter's last night.
    
 
6. It was a very long voyage. We were _____ sea for 50 days.