完形填空

阅读下面短文，掌握其大意，然后从每题所给的A、B、C对四个选项中选出最佳选项．

　　Sending cards is very popular today. Now different kinds of cards can 1 on different occasions(时机), 2 buying a house to having a baby. You can also find cards 3 getting a job or just 4 “Sorry”.

　　In schools, teachers may show 5 birthday cards in the classroom on their birthdays. 6 a teacher leaves the school, the whole class will buy a card and 7 writes his name on it, If a pupil passes 8 , his classmates will send him a card to say 9 . When one of your friends 10 , you can send a card, saying “Sorry you're sick. Hope you'll be better soon.”

　　Card-giving is a good way of 11 old friends as well as relatives 12 live in other parts of the country. Most people like 13 . Different cards are kept to look at and 14 , like an album of old photos. Remember to send a little card if you do not have time to 15 .

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A．making friends with

B．keeping in touch with

C．knowing something about

D．helping

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A．make a card

B．write a letter

C．play jokes on your friend

D．collect cards