将下列句子改成被动语态

people have done something useful to protect the wild animals already
2024-12-28 14:41:34
推荐回答(3个)
回答1:

Something useful has been done by people to protect the wild animals already.

回答2:

something useful to protect the wild animals already have been done by poeple

回答3:

something usefui hasbeen done by people toprotect the wild animailsalready