听录音，选择合适的问句

A. Where are you?

B. Who are you?

C. Where do you live?

选择正确的答句

--Who are they?

--______________

1. They are reading.
2. They are paints.
3. They are my teachers.

选择合适的词填空，注意大小写

--_____ (when/ what/ who) are they?

-- They are oranges.