最佳答案:That's really so
最佳答案:indeed,yes
最佳答案:I do hope so.
最佳答案:so do I是表示I和前面的句子内容一样,可以把前面句子的主语替换成I,表示“我也是”的意思例如,He likes playing basketball,so
最佳答案:You say he studys very hard,he so to,you are also this(study very hard)