Bonjour, Pouvez vous m'aider pour l'exercice de préposition s'il vous plaît ?

Bonjour,

(Je ne pense pas avoir bon à tout)

1. i started work at 5.00 in the morning and finished at 2.00pm

2.On mondays , i walked to the company but On tuesdays , i took the bus

3. my tutor was with me from 6.00 to 9.00 am

4. in the company the employees wore overalls

5. My training period started on october 17th,2016 and finished on november 2016