E Fill in: on, at, out, in, up.
1 The Smiths' children always behave themselves
and keep____of trouble.
2 Keep___mind each country's etiquette when you travel abroad.
3 Daisy wants to take___a new sport but she doesn't have time.
4 Kat isn't at the office this week, she's gone___ holiday.
5 Jamie was amazed___Ben's new
smartphone.​