3 读一读乐乐和售货员的对话，然后回答问题。
Shop assistant: Can I help you?
Lele: Yes. I want some biscuits, please.
Shop assistant: Here you are.
Lele: Thank you. How much are they?
Shop assistant: Twenty yuan. Do you want anything else?
Lele: I also want some bread too.
Shop assistant: Here you are. It's ten yuan. Do you want some candy?
Lele: No, thanks. I don't like candy. It's bad for teeth. But I want some milk and juice. How much are they in total?
Shop assistant: Forty-five yuan, please.
Lele: Here you are.
Shop assistant: Thanks.
Lele: Goodbye.
Shop assistant: Bye.
(1) How much are the biscuits?

(2) How much is the bread?

(3) Does Lele like candy? Why (为什么)?

(4) How much are they in total (共计)?

(1) They are twenty yuan.
(2) It's ten yuan.
(3) No, he doesn't. Because he thinks candy is bad for teeth.
(4) They are forty-five yuan in total.

我们可以在对话中逐句定位问题对应的信息来解答：
1. 找到乐乐询问饼干价格的对话部分，售货员直接告知了饼干的售价。
2. 找到售货员递上面包的对话部分，明确给出了面包的价格。
3. 乐乐直接表达了自己对糖果的态度，也说明了对应的原因。
4. 最后乐乐询问所有选购商品的总价，售货员直接给出了总金额。