Liquids can often be turned into gases.______,gases can alsso be changed into liquids.
问题描述：
Liquids can often be turned into gases.______,gases can alsso be changed into liquids.
A)On the other hand
B)For example
C)In additon
D)Sooner or later
答
A
on the other hand
从另一方面来看
有不明白的地方欢迎追问,