高中英语题目,务必求详细解题步骤谢谢!

高中英语题目,务必求详细解题步骤谢谢!
7.So carelessly_____that he almost kill himself.
A.he drives B.he drove C.does he drive D.did he drive
8.Early in the morning_____the news_____the enemy had been defeated.
A.come;thatB.came;thatC.comes;thatD.came;what
11. Not only_____to stay at home,but he was also forbidden to meet his family.
A.he was forcing B.he was forced C.was he forcing D.was he forced
12. Not until his father was out of *_____back to school.
A.can John go B.John can goC.could John goD.John could go
13. Never before_____met such a serious situation;I am at a loss what to do.
A.did IB.was I C.have ID.shall I
14. Little_____about his own health though he was badly ill.
A.he caredB.did he care C.does he care D.he cares
15. Seldom_____to see his parents although he lives so close to them.
A.he goesB.he wentC.did he goD.does he go
16. Hardly_____down_____my son came in to ask me for some money.
A.had I sat;than B.I had sat;whenC.had I sat;then D.had I sat;when