补全对话。
A: Are you feeling happy?
B: Where did you go?
C: I lost my chocolate.
D: I bought some chocolate.
E: How much chocolate did you buy?
A: Hello, Sam.
B: I went to the supermarket.
A: What did you buy?
B:
A:
B: Half a kilo.
A:
B: No.
A: What's the matter?
B:
A: Oh, sorry.
答案:【1】B【2】D【3】E【4】A【5】C