完形填空One day a rich American went to Paris and bought a pictu

完形填空
One day a rich American went to Paris and bought a picture there.He thought the picture was _______,becuse he _____ a lot of money for it.
After coming back home from Pairs,the American wanted to put the picture on the wall,but he _______tell which was the top of it and which was the bottom of it.After a few tries,he still wasn't sure of thar.
( )A.intersting B.cheap C.fine D.bad
( )A.took B.paid C.cost D.spent
( )A.never B.wouldn't C.coldn't D.could