Her daughter began to play _____piano when she was five. Now she’s very good at it.

Do you know ________ her mobile phone? — No, I think it cost her around 4000 yuan.

Can I borrow your dictionary? I _______ mine at home. — OK. Here you are.

What happened ______ you? [ ]

Is this your key, Jenny ? —No, ______ is in my handbag.