填介词或副词1.Arguing __ others isn't polite.2.When you are in tro

填介词或副词
1.Arguing __ others isn't polite.
2.When you are in trouble,you may ask your friends or parents __ help.
3.Tom often calls __ his parents once a week.
4.Kate is getting __ well with her classmates.
5.They are complaining __ not having enough sleep.