it's my first time to go to america by (i)适当形式填空

it's my first time to go to america by (i)适当形式填空
it's my first time to go to america by (i)适当形式填空

it's my first time to go to america by (i)适当形式填空
myself 自己去
请及时采纳,多谢!

myself
有不明白的地方再问哟，祝你学习进步，更上一层楼！ (*^__^*)

myself