问题描述：
1.Look!they are laughing __ （happy）
2.We students can study in the classroom in __ (silent) without teachers
3.The teacher said ,"Don't cheat in exam ,children"（改为间接引语）
4."Are you going to visit Zi Gong next Week " father asked me 改为间接引语）
5.Zhang Hua didnt leave the classroom until he finished his homework 改为同义句
2.We students can study in the classroom in __ (silent) without teachers
3.The teacher said ,"Don't cheat in exam ,children"（改为间接引语）
4."Are you going to visit Zi Gong next Week " father asked me 改为间接引语）
5.Zhang Hua didnt leave the classroom until he finished his homework 改为同义句
问题解答：
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