赞题库-背景图
单项选择题

A. By replacing the sandal’s thongs with cloth. B. By r……

Questions 16 to 18 are based on the passage you have just heard.

A. By replacing the sandal’s thongs with cloth.
B. By replacing the sandal’s thongs with solid leather.
C. By replacing the sandal’s thongs with leaves.
D. By replacing the sandal’s thongs with grass.