1. (2023九下·上海月考) 从A—G选项中选出能填入空白处的最佳选项补全对话。

A. Oh, you must have had a good time. B. You helped clean up the park. C. It was a mixture (混合) of fun and work. D. Some picked up the waste paper and plastic bags. E. It used to be clean. F. One problem is that the air is badly polluted. G. It's everyone's duty to protect the environment.

A: How was your weekend, Victor?

B:

A: What did you do over the weekend?

B: I went to Heping Park on Saturday morning with some of my classmates.

A:

B: Not really. When we went into the park, we saw rubbish everywhere. It was very dirty.

A: It's true that some people littered about. Then what did you do?

B: We began to clean the park. Some swept the ground…After about an hour, we cleaned up the park. We were tired but happy.

A: People will thank you.

B: Yeah. When we were cleaning the park, some people came to help us. I hope more and more people will realize the importance of environmental protection.

A: That's right.