改为同义句和改为被动语态
问题描述：
改为同义句和改为被动语态
Tim needs to cut his hair because his hair is too long 改为同义句
Tim needs to ()his hair() because of his () hair
we must ask Tom to clean his room again改为被动语态
Tom() () () to clean his room again
答
have ,cut,long
must be asked