Last week the manager of an old shop received a letter．Because he was very busy，he didn't read the letter （36）　　 tea time．When he opened it，£10 （37）　　onto his desk．Together with it was a short letter．It read：

Dear sir，

In 1935I got engaged（订婚），but （38）　　 I lost my job．At that time a lot of people were out of work．Six months later I got a job again，but of course I was still very（39）　　．

I came to your （40）　　 to buy a ring．The salesgirl took out some rings for me to look at，but she was called away for a moment，and I put one of the rings in my pocket．When she （41）　_　 back，I said I did not know the size of my girl﹣friend's finger．So I left the shop （42）　_　paying．

My wife died a short while ago and all these years I've been feeling（43）　　 that I never paid for her ring．At that time the ring cost£2，so I think （44）　　 may cost£10now，and I am sending you the money．

Yours truly，

A customer

"Well，well，well，"said the manager．"Life is full of （45）　　．"

36．A．until	B．when	C．since
37．A．fell into	B．fell over	C．fell out
38．A．luckily	B．unluckily	C．excitedly
39．A．famous	B．poor	C．hard
40．A．factory	B．house	C．shop
41．A．came	B．gave	C．returned
42．A．for	B．without	C．by
43．A．comfortable	B．happy	C．sorry
44．A．it	B．I	C．you
45．A．jokes	B．surprises	C．dangers．