Дополните диалог:
Alice: Paul, take that pipe, 1_______. It is rather light.
Paul: 2 _______! It is very light. What material is it made of?
Alice: It is made of plastic.
Paul: 3_______?
Alice: Well, it is a rigid material, but it is less flexible than rubber. 4_______, it is the lightest and the least expensive material.
please
Oh
Why is it made of plastic
In fact