句型转换。

78. The new bike cost me 200 yuan. (改为同义句)

I ______ 200 yuan ______ the new bike.

79. Joe said that she would go there again the next Sunday.（改为直接引语）

“________ will _______ here again next Sunday,” Joe said.

80. The boy was walking down the street when the UFO came.

   _________ the boy was walking down the street, the UFO _______.

81. Work hard, and you’ll get good grades.(改为含有条件状语从句的复合句)

   _______ ________ work hard, you’ll get good grades.

82. I don’t know what I should say.(改为简单句)

   I don’t know what _____ _____.

Now many students have become crazy about c  78  cards in my school. Some have been collecting them   79  about three years. After one gets card, he will   80   (分享)it with his friends. Many students are so addicted (上了瘾的) to it that they have changed a lot. Some students even play with the cards in class. So they have fallen behind in their   81 .
The card is i  82  as a gift in the bag of some food. T  83 , to get these cards, many students try their best to ask for   84  from their parents. I hear Tim and Tom have already collected more than one t  85  cards from stores or their friends.   86  is not long for them to collect a lot of cards. But without good care, the cards can be taken away easily by other collectors. So many students fight with each other for the cards.
I suggest that as a student, we shouldn’t be too fascinated(感到，着迷的) in collecting cards   87  longer. Study hard and become a good host of the future!

Now many students have become crazy about c  78   cards in my school. Some have been collecting them   79   about three years. After one gets card, he will   80    (分享)it with his friends. Many students are so addicted (上了瘾的) to it that they have changed a lot. Some students even play with the cards in class. So they have fallen behind in their   81  .

The card is i  82   as a gift in the bag of some food. T  83  , to get these cards, many students try their best to ask for   84   from their parents. I hear Tim and Tom have already collected more than one t  85   cards from stores or their friends.   86   is not long for them to collect a lot of cards. But without good care, the cards can be taken away easily by other collectors. So many students fight with each other for the cards.

I suggest that as a student, we shouldn’t be too fascinated(感到，着迷的) in collecting cards   87   longer. Study hard and become a good host of the future!

Believe it or not: the more TV you watch, the  78  (little) happiness you get. This is the result of a new study. It shows that unhappy people watch more TV than happy people.

Well, you may say that you enjoy  79  (watch ) TV. In fact, TV gives you happiness for a short time, but unhappiness for a long time.

Why? It is because, if you watch TV, you cannot take part in many other good  80  (activity). And sometimes, if you are unhappy, you  81  (usual) prefer being a couch potato(整天坐在沙发上看电视的人)，right? Watching TV is relaxing to you.

Then if you want to be happy, what should you do? You can read newspapers, visit  82  (you) friends, go to parties, … but don’t watch television all the time. Now turn off the TV, and take a walk outside. It’s the  83  (one) step to being happy!