Add punctuation: The instructor offers in continuation of the course to conduct individual courses customized to the companies
A: The instructor offers in continuation of the course to conduct individual courses customized to the companies.

Add punctuation: After homemade breakfast we visit Startours servicecenter at the hotel and book tours for Wednesday and Thursday Not cheap but an easy way to see some of the island
A: After "homemade" breakfast we visit Startour's service-center at the hotel and book tours for Wednesday and Thursday. Not cheap, but an easy way to see some of the island.

Add punctuation: We put sustainability at the core of our global operations because the safetyof the planet and its people is a responsibility we take seriously
A:
We put sustainability at the core of our global operations because the safetyof the planet and its people is a responsibility we take seriously.