katy is 13 years old .sandy is 15 years old .合并为一句
问题描述:
katy is 13 years old .sandy is 15 years old .合并为一句
答
Katy is 13 years old and Sandy is 15 years old.*的。*的吗?二者比较也只有 比较级啊! Sandy is older than Kate.或者kate is younger than Sandy.