()4. Mum, my dog is cute.

A.so
B.to
C.at

4.A

()5. They're with each other.

A.play
B.playing
C.plays

5.B

四、补全对话,每空一词。
A: What's that 1. the picture?
B: It's a monkey.
A: What's the 2. doing?
B: Let me 3. . Oh, it's 4. a tree.
A: What 5. you see in this picture?
B: I 6. see 7. lions. They 8. sleeping on the ground.
And two elephants are drinking 9. .
A: Oh, I 10. them very much.

1. in
2. monkey
3. see
4. under/climbing
5. can
6. can
7. some
8. are
9. water
10. like

五、根据实际情况回答问题。
1. Which season do you like best?

2. Why do you like it?

3. What do you usually do in spring?

4. What do you usually do in summer?

1. I like spring best.
2. Because the weather is warm, and I can see many pretty flowers.
3. I usually fly kites with my friends in the park in spring.
4. I usually eat ice cream and go swimming in summer.

本题是结合生活实际的开放性情景问答题，答案不唯一，作答时使用语法正确、符合日常表达的简单英语句子即可，以下给出符合五年级英语水平的参考回答。