3.The book is interesting. There are many stories in it. (合并一句)

It is ________ interesting book ________ many stories in it.

2. Tom had to take part in the activities.(改为反意疑问句)

Tom had to take part in the activities, ________ ________?

1.We enjoyed the food and the evening, too. (保持句意不变)

We enjoyed the food and the evening ________ ________.

6.I’m afraid most of your answers on the paper are ________. (correct)

5.Madame Curie, one of the most famous ________ in the world, won the Nobel Prize twice in her life. (science)

4.I like ________ food very much. (freeze)

3.The old woman shouted at this boy ________ because he tricked her again. (angry)

2.More ________ workers are needed in that country. (medicine)

1.In order to keep ________ , we must do morning exercise every day. (health)

20.(　　 ) ------ Thank you for inviting us. We have had a very good time today.

　　　　　 ------ __________.

　　　　 A. No, thank you.　　　　　　 B. I’m afraid not

　　　　 C. Please don’t say that　　 D. My pleasure