按要求完成句子。

1. What other things did you do on your day off?( 变为同义句)

    ______ ______ did you do on your day off?

2. Our class had a great time on the school trip. ( 变为同义句)

    Our class  ______ ______ on the school trip.

3. Our school trip was very interesting. (划线部分提问)

    ______ ______ your school trip?

4. There was only one sandwich. (划线部分提问)

    ______ ______ ______ ______ there ?

5. He met Tina on his way home.(变为否定句)

    He ______ ______ Tina on his way home.

标志的管理是无公害农产品认证工作的重要环节，是维护无公害农产品（）合法权益的重要措施，是提高获证产品品牌知名度的重要手段，是各级农业部门实施证后监管的重要凭据。

A、生产者

B、经营者

C、消费者