求该成被动时态：1whendidshecooksupperyesterday2where did she make them3whose ruler did you borrow
问题描述：
求该成被动时态：1whendidshecooksupperyesterday2where did she make them3whose ruler did you borrow
答
1whendidshecooksupperyesterday
When was (the) supper cooked yesterday?(有yesterday怎么还用when?)
2where did she make them
Where were they made?
3whose ruler did you borrow?
Whose ruler was borrowed?