Помогите!!!! нужно задать вопросы 4 спецальных и 1 общий: 1.Mary started work at 9 o'clock yesterday. 2.Jack finished his test 15 minutes aqo. 3.Alice read a book 3 days aqo. 4.Kete beqan to sinq at 6

1 when did marry start to work? who did start to work ? what did marry start to do? what time did marry start to work? did marry start to work at 9 oclock  yesterday 2when did jack finish his test who did finish  test ? what did do jack how minutes did jack take to finish his test  did jack finish his test 15minutes ago 3when did alice read a book what did do alice who did read a book 3 days ago how days did alice take to read a book did alice read a book 3days ago 4what time  did kete begin to sing who did begin to sing what did do kete what did begin to do kete did kete begin to sing at 6