Gerund or Infinitive

If a friend invites you out of dinner, it's inappropriate (a)   (take) another friend with you.

It's bad manners (a)   (not call) the restaurant if you have a reservation and you decide to cancel your plans.

(a)   (arrive) a little late when you meet a big group of friends at a restaurant is acceptable.

If you get to the restaurant before your friend, it's fine (a)   (sit) down at the table.

It's not acceptable (a)   (complain) to your server if you don't like your meal.

People might be upset with you for (a)   (not pay) your fair share of the bill.

(a)   (talk) with your mouth full is considered rude.

You can offend the server by (a)   (not leave) a tip.

(a)   (ask) the server for a box to bring your leftover food is acceptable.

It's bad manners (a)   (not thank) the person who paid afterwards.