请将下面的句子改为被动语态：1 He has invited as to join his birthday party 2 We haven't ch...
问题描述：
请将下面的句子改为被动语态：1 He has invited as to join his birthday party 2 We haven't ch...
请将下面的句子改为被动语态：1 He has invited as to join his birthday party 2 We haven't chosen one of the new books to buy
答
1 We have been invited by him to join his birthday party.
2 None of the new books have been chosen to buy by us.