E Read and choose（选择合适的句子补全对话，填序号，有一项多余）
A. We'll bring rubbish bags.
B. When we see rubbish, we'll pick it up.
C. We'll walk and pick up rubbish at the same time.
D. Let's meet at the school gate at nine this Saturday morning.
E. I'll take part in Green City Walk with my family.
A: What's your plan for the weekend, Tom?
B: (1)
A: What will you do in this activity?
B: (2)
A: That sounds fun! But where will you put the rubbish?
B: (3)
A: Can I join you?
B: Sure. (4)
A: All right. I'll be there on time.

F Read and choose（读材料，选出正确答案）选做题
Bobby loves the playground near his home. He often plays there with Sam after school. These days, he sees plastic (塑料的) bags, paper and fruit skins on the ground. They make the playground dirty. Bobby shares his cleaning plan with Sam.
Bobby: There's rubbish in the playground. I want to clean it this Sunday afternoon.
Sam: Good idea! I'll join you.
Bobby: Thanks, Sam. I'll bring some rubbish bags.
Sam: I'll bring a poster to ask people not to litter.
Bobby: Great! We'll make the playground clean and tidy again.
() 1. What makes the playground dirty?
A. Rubbish. B. Toys. C. Fruit.
() 2. When will Bobby and Sam clean the playground?
A. This Saturday afternoon. B. This Sunday morning. C. This Sunday afternoon.
() 3. What will Sam bring?
A. Rubbish bags. B. A poster. C. Some paper.
() 4. What does “litter” mean?
A. Throw rubbish on the ground. B. Put rubbish in the rubbish bin. C. Eat and play at the same time.