B
()1. What will you do to keep our city clean?
()2. Who is your hero?
()3. What do you do on the Double Ninth Festival?
()4. Did Meng Xin want to sell his sick ox?
()5. What did the cardboard box become in the end?
()6. Can robots help people do many things?
()7. When was Grandma's birthday?
()8. What is plogging?
A. We show love for our grandparents.
B. It is jogging and picking up rubbish at the same time.
C. Yang Liwei is my hero.
D. Yes, they can.
E. It was on 21st October.
F. I'll go plogging with my friends.
G. No, he didn't.
H. It became a book.

B 1. F 2. C 3. A 4. G 5. H 6. D 7. E 8. B

四、妈妈和刘浩正在收拾空塑料瓶和空易拉罐。请你从方框中选择合适的句子补全他们的对话。
Liu Hao: Mum, Can I throw away these bottles and cans?
Mum: 1.
Liu Hao: Why, Mum?
Mum: 2. Look, we can clean this small can and put your rubbers and crayons in it.
Liu Hao: 3.
Mum: We can put some flowers in this bottle.
Liu Hao: 4.
Mum: That's true. Look at this big can. Do you have any ideas, Haohao?
Liu Hao: Yes. 5.
Mum: That's cool!
A. Then it'll be a vase.
B. I can put my pens, pencils and rulers in it.
C. That's a good idea!
D. No, we should keep them.
E. Because we can use them again.

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