四、从方框中选择合适的选项填空,补全对话。
Peter: What are you doing, Bob?
Bob: 1. ____
Peter: That's cool. Which season do you like best?
Bob: 2. ____
Peter: I like summer, too. 3. ____
Bob: The weather is hot today. Let's go swimming!
Peter: Great! 4. ____
Bob: No, he can't. He's busy now.
Peter: What is he doing?
Bob: 5. ____
Peter: Oh, maybe next time. Then let's go.
A. Because I can swim in summer.
B. He is having an English class.
C. I am reading a book about seasons.
D. I like summer best.
E. Can your brother go swimming with us?

1.C 2.D 3.A 4.E 5.B

The teacher and her daughter, the policeman and his wife are walking in the woods (树林). They find four eggs in a nest (鸟巢). Each of them takes an egg and yet one egg is left in the nest. How can this be?

The policeman's wife is the teacher. So there are only three people. Each takes an egg, and one egg is left in the nest.