阅读对话，回答问题。
On Monday morning, Jenny went to work. She met Wang Lin on the bus station.
Jenny: Where did you go yesterday?
Wang Lin: I went to buy some gifts for my family. I bought some coffee cups for my father. I bought a dress
for my mother. My little sister likes new toys. I bought some toys for her.
Jenny: Oh, so many things. The bus is coming. Let's go!
1. When did Wang Lin buy gifts?
____________________________________________________
2. What did Wang Lin buy for his father?
____________________________________________________