--I hear that you're going back to Australia.I hope you'll return one day.--__.I hope to return when I'm older.A.I do soB So do I

--I hear that you're going back to Australia.I hope you'll return one day.--__.I hope to return when I'm older.A.I do soB So do I
--I hear that you're going back to Australia.I hope you'll return one day.
--__.I hope to return when I'm older.A.I do soB So do I

--I hear that you're going back to Australia.I hope you'll return one day.--__.I hope to return when I'm older.A.I do soB So do I
B
so+助动词+I 表示我也一样

I didn't go, because I know that I love you.

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