What are the trousers made of?
A: Silk
B: Wool
C: Cotton
                    A: Silk
B: Wool
C: Cotton
举一反三
- What is it made of ? A: cotton B: leather C: wool
 - The customer would like ____________. A: a silk scarf B: a cotton scarf C: a wool scarf
 - What are they made of ? A: leather B: denim C: silk
 - n. a delicate material made from threads of cotton, silk, etc.. that are twisted into a pattern of holes A: lace B: layer C: league D: label
 - What are clouds made of? A: Cream cheese B: White sand C: Water D: Cotton
 
