题目内容：

1,（）cool story it is
A.what B what a C how D how a
2,he always works ()a careleaa way
Ain B on C by D with
3,the watch i lost yesterday ()in the desk
A has found B found C has been found D is found
4,Columbus () AMERICA in 1492
A find B find out Cinvented D discovered
5,the workers were ()work for long hours by the boss
A ade to B made in C made from Dmade of
6,the kite is ()(specisl)made for you
我需要解释.