Write what they were doing at that time.
Example: 1) Colin (swim) at ... yesterday.
Colin was swimming at 5 o'clock yesterday
2) The children (play) volleyball at ... yesterday.
3) The tourrists (do) Moscow at ... yesterday.
4) Kate (show) her city to the visitors at ... yesterday.
5) Uncle Tom (read) a newpaper at ... yesterday
6) My parents (buy) souvenirs at ... yesterday.

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