用所给单词的适当形式填空。

1. We ________ (make) dumplings last Sunday.

2. It ________ (begin) at 4:00.

3. Nine people ________ (be) coming to the party.

4. Today is ________ (Li Ming) surprise party.

5. There are thirty ________ (student) in our classroom.

J.Martin指出，企业的数据应是相对稳定的，包括数据的类型和 【17】 。