用动词的适当形式填空。

     Today, roller-skating is easy and fun. But a long time ago, it wasn't easy at all. Before 1750, the idea

of   1    (skate) didn't exist. That changed because of a man   2    (name) Joseph Merlin.

     One day Merlin received an invitation   3   (attend) a fancy dress ball. He was very pleased and a little

excited. As the day of the party came near, Merlin began to think how   4   (make) a grand entrance at the

party. He had an idea. He thought he   5   (get ) a lot of attention if he could skate into the room.

     Merlin    6    (try) different ways to make himself roll. Finally, he decided to put two wheels under each

shoe. These were the first roller skates. Merlin was very proud of his invention and dreamed of arriving at

the party on wheels while playing the violin.

     On the night of the party, Merlin rolled into the room    7   (play) the violin. Everyone was astonished to

see him. There    8   (be) just one problem. Merlin had no way to stop his roller skates. He rolled on and on.

Suddenly, he ran into a huge mirror that    9   (hang) on the wall. Down fell the mirror, breaking to pieces.

Nobody   10   (forget) Merlin′s grand entrance for a long time.

1.________  2.________  3.________  4.________  5.________

6.________  7.________  8.________  9.________  10.________