用所给动词的适当形式完成句子。   

1. I often ________ donuts for lunch. (eat)

2. Danny _________ sandwiches yesterday. (eat)

3. What did Miss Zhang ________ ? (say)

相关单位在重大事件发生后30分钟内将情况向管辖调度机构值班调度员汇报。