mum
                    - Mum, ______ is my friend Peter.
 - Mum gives me a dog for my holiday. _______ name is Lucky.
 - Mum, my trousers are too old. I want to buy a new ______.
 - Mum, have you seen my mobile phone?—The one you bought last week? I’m sorry I haven’t seen ________.
 - Mum, may I have some cakes?——Sorry, there’s ____ left in the box. I’ll go and buy some for you tonight.
 - I’m a little hungry, Mum.–There are some cakes on the plate. You can take _______.
 - Mum, I want_______ of these two dresses.—Sorry. You can only buy one of them.
 - Mum, ______ is my friend, Kate.—Nice to meet you.
 - Mum, _________ my friend Jane.
 - Mum, _______ my teacher, Mr Wang.