use a towel的用法和样例：
- We could use a sponge, a towel or a mop.
- We could use a sponge,a towel or a mop.
- Use a paper towel to soak up the cooking oil.
- The children will learn how to gargle and learn to use a towel to clean their faces after lunch.
- He knotted a towel about his neck.
- She mops her tears with a towel.