阅读下面的短文，用括号内所给词的适当形式填空，必要时可加助动词。

    During the Second World War. John's family didn't have a washing machine. Therefore, 1______ (keep)

clothes clean became a problem for them.

    Before long, a family friend decided 2______ (join) the army and his wife was going with him. John's

family told them that they could take care of their furniture while they were away. To the 3______ (family)

surprise, the friend suggested they should use his Bendix washing machine. "It would be better for it to

4______ (use), rather than sitting 5______ (quiet)," he said.

    Young John helped with the washing,and he developed a deep love of the old, green Bendix. 6______

(late), the war ended and the family's friend returned. When he came to take the machine away. John

became very sad. His mother saw this and said to 7______ (he). "Son, you must remember that machine

didn't belong to us in the 8______ (one) place. It was a gift for us to be able to use it for such a long time.

So, instead of 9______ (be) sad about the loss.Let's be grateful that we 10______ (be) able to use it at that

time." 

    We have all experienced loss: loss of people and things. However, if we see the thing we 11______ (lose)

as a gift that we were given for a time, maybe the sad 12______ (memory) will change into 13______

(thank) ones.