English - WHO or WHICH

A doctor is someone __________ treats sick people.

Asin is a boy _______ helped the old lady.

His horse ____ is a female, won the race.

The bag _____ Didi bought for her mother costs RM100.

The man ______ is wearing the cap is my brother.

Tom & Jerry is the cartoon _____ my sister likes to watch.

That is car ______ involved in the accident near our school.

A mobile phone is a gadget _______ can be used to make calls and send messages.

My grandfather is the person _____ I admire the most.

The bicycle _______ my brother rode yesterday was mine.