用英文问答-这个座位有人做吗？

这个座位有人做吗？

问：

1. Is this seat taken?

2. Does anyone have this seat?

3. Is anyone sitting here?

答：

如果有人座:

1. it's taken.

2. Sorry, I'm waiting for my friend.

如果没有人座:

1. Go ahead

2. No, it's all yours.