I’ll be looking after their cat while they are away on holiday.
میں ان کی بلی کی دیکھ بھال کروں گا جب وہ چھٹی کے دن دور ہوں۔
"Look after" means to take care of something or someone.
The base is the part of a word to which affixes (prefixes or suffixes) are added.
It can be a root or stem, but specifically, it refers to the word form before inflectional changes.
On average, the unemployment rate has been going up 1 percent a year.
اوسطا ، بے روزگاری کی شرح ایک سال میں 1 فیصد بڑھ رہی ہے۔
"On average" is the correct phrase used to indicate a general trend or typical value.