1 Who has bought ....?I have.2 Who bought ...?They did.3 Who is going ...?We are.4 Who has always wanted ...?They have.5 Who has worked....?They have.6 Who worked..?They did.7 Who was ...?They were.8 Who has always been...?They have.9 Who lives....?His parents do.10 Who has always lived....?His parents have.