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? ____________________________________________________