Word meaning/ Sentences

I want to use the followwing words correctly. Could you help me? (The words are in bold)

- If you desire a promotion you will have to work harder.
- If you are searching for a way to get promoted, forget about it. You will need the right connections.
- Desiree seeks love at her workplace, and makes everyone feel uncomfortable.
- I wish I had a better job.
- The basis of a productive live is organization.
- I support my workmates when I think their reasoning is correct.
- I need assistance to finish the project on time
- Backing. I can’t come up with a sentence with this word.
- A collaborative working environment leads the way to make job-sharing and expansion of roles more and more effective.
- The surveys which were conducted last week show that employees would be more motivated with a higher salary.
- The hard work is paving the way for success.
- Depending on which option you choose your live will be magnificient
- You will have the opportunity to work with a wide range of experts.
- There is a job opening in our company to be a manager. I want to attend the interviewto see if I’m lucky
- The occasion for his appearance is a well hidden secret.
- Getting a lower wage for the same working hours doesn’t appeal.
- I got an offer which appealed me.
- The job opening attracted a lot of candidates sinc the conditions were appealing.
- If we want to lure customers in our shop we must improve our strategies.
- The employees must engage themselves more with the methods so that they can work in a more accurate way.
- The boss engaged two good looking secretaries. I would like to know what kind of skills they have.
- It’s extremely improbable that I’m going to be made redundant.
- My grammar is dreadful that’s why I studied the rules thoroughly.
- I wasn’t entirely convinced with the arguments the employer gave me.
- Utterly: I don’t know how to use this word.

I don’t really know the difference between support and backing, and utterly and completely.