Dava and Anna are my friends 变一般疑问句

Dava and Anna are my friends 变一般疑问句 把Dave and Anna are my friends.改为一般疑问句 Dave and Anna are my friends.(改为一般疑问句）= Are Dave and Anna yo Dave and Anna are my friends.改为一般疑问句 ( )Dave and Anna ( ) fr Dave and Anna are my friends .改为一般疑问句怎么改? Dave and Anna are my friends 1道英语句型转换题,Dave and Anna are my friends.(改一般疑问句）(一条线一格）______ their friends are tourist变一般疑问句 My father and mother are doctor变一般疑问句 具体 they are my friends 变为一般疑问句 Jim and Tom are good friends.怎么变一般疑问句并作肯否回答 Both Mary and Kitty are my friends改为一般疑问句.是改为Are both MARY a