A.
1) Sue looked after the collie dog.
2) Richard looked after his cat Socks.
3). William looked after his tortoise.
4). Brian's cousin looked after his fish.
5). Mrs. Stafford looked after his garden.
6). Jim looked after his horse.
7). Brian's mother looked after the plants in the flat.
8). Pat looked after Brian's four white mice.
B.
I looked after all of these.