The sale usually takes place outside the
题型：选择题
问题：
The sale usually takes place outside the house ，with the audience on benches，______chairs or boxes。
A．having seated
B．to seat
C．seated
D．seating
The sale usually takes place outside the house ，with the audience on benches，______chairs or boxes。
A．having seated
B．to seat
C．seated
D．seating