Ответ:

1.he did come at 10 o'clock

2. it did take to finish this experiment a week

3.i did see john last month

4. her friends did tell she about her engagement

5.i did wait an hour

6.i did meet the Carters on monday

7.he did keep his pets in the yard

8.she was good at maths

9.they did sell in those shops all kind of rubbish

10.John did find this old book yesterday

11.my father did leave the job five years ago

12.Alice did speak about her last trip when she was there

13.i did learn that she got engaged when she rang me up

14.she did hurt her arm last friday

15.film did begin at 4 o'clock

если будут орфографические ошибки то извиняй)