After hours of repair,the driver tried to start the car but it______work.

A.won’t                       B.shouldn’t

C.wouldn’t                   D.couldn’t

After hours of repair,the driver tried to start the car but it _______ work.

A. won.t　B. shouldn’t ?

C. wouldn.t D. couldn’t?

After hours of repair, the driver tried to start the machine but it _________ work.

After hours of repair, the driver tried to start the machine but it _________ work.

34. I can’t thank you ______ much because without your help I ______ have won the first prize.

A. too; wouldn’t    B. very; shouldn’t  C. that; might not   D. so; couldn’t