1.By the time the fireman arrived,the big fire_____.
A.had put out B.had been put out C.had put off D.had been put off
2.The Lecture _____ for ten minutes when I reached the ball.
A.has been on B.has started C.had been on
3.She ____ a man with a lot of money for 15 years.
A.was married B.married C.has been married
4._____great fun it is to have a picnic during the weekend!
A.What B.What a C.How D.How a
(急啊啊啊~~要说为什么的,拜托额~~)