He has never missed first so far. (*Correct sentence~ ^^) 

There were lots of employees in cafeteria, and we had to have a lunch going out.

Better say: There were many employees in the cafeteria, and we needed to eat lunch before heading away.

The main reason we failed is a wrong promotion. (*Correct sentence~ ^^) 

You have to understand more personality variety.

Better say: You have to understand a wider range of personality traits.

This hotel offered shuttle bus in last year.

Better say: This hotel provided a shuttle service last year.

I think our lunch time is short.  (*Correct sentence~ ^^) 

The CEO is in store for expanding the business next year.

Better say: The CEO plans to develop the business next year.

I'm sure that you are in for a treat this movie. 

Better say: I'm confident that you'll enjoy this film.

After of all, you must learn the ropes. (*Correct sentence~ ^^)