初二英语宾语从句学习,帮我找些是 连词成句（变成宾语从句）.或 最好有解析）好的可以加30分

( ) 1.They don't know ______their parents are.A that B what C why D which( ) 2.Please tell me ______what last year.A.where does your sister work B where did your sister workC where your sister works D...