So far China has sent three people into space successfully.被动语态改为被动语态.

So far China has sent three people into space successfully.被动语态改为被动语态.
So far China has sent three people into space successfully.被动语态
改为被动语态.

So far China has sent three people into space successfully.被动语态改为被动语态.
So far China has sent three people into space successfully.
被动语态:So far three people has sent into space successfully by China.

so far three people have been sent into space by China successfully.