读对话并回答问题。

Linda : Hello. I'm Linda.

Tony : Hi. I'm Tony. What's your last name, Linda?

Linda : It's Smith. What's your last name, Tony?

Tony : It's Brown.

1. What's her first name?

    _____________________

2. What's his first name?

    _____________________

3. What's his last name?

    _____________________

4. What's her last name?

    _____________________

ZB25/ZB45包装机输送槽中有变形烟包将输送槽阻塞或烟包数量过多机器则显示“主输送槽阻塞”故障。