高一英语同义句

问题描述:

高一英语同义句
One day your good friend came to school and he looked very upset.同义句
One day your good friend came to school _____ _____.
If it is heated,ice can change into water.
If ____,ice can change into water.

填,looked upset 状语从句的省略句
意思是,某天你的朋友来学校看你并且他看上去非常沮丧If it is heated,ice can change into water.If ____,ice can change into water.填heated,还是状语从句的省略句,望采纳~