Вагон движется равноускоренно с ускорением 0,5 м/с2. Начальная скорость вагона равна 54 км/ч. Через сколько времени вагон

1. Their family has been living in this house since the 18-th century...?

  B - hasn't it  

2. They promised that they...at nine o'clock.  

  C - would come  

3. I didn't know where...   

  B - the children went

4. Catherine said that she...to buy an ice-cream.

  D - wanted

5. Sally was happy because he...the first prize

   C - had won  

6. Show me the picture of Helen.I...her  

   C - have never seen

7. After Philip...his brother to prison, he...a king

  A - sent,became

1)D

2)C

3)B

4)C

5)B

6)C

7)A