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?

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2. What did Wang Lin buy for his father?

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