用所给动词的适当形式填空。

1. My father can _____(speak) English and Japanese.

2. It's my third time _____(see) the film .

3  When _____the people _____(have) the party every year?.

4. _____(not be)late for class next time, Tom.

5. Is the girl good at _____(sing ) .

6. He often _____(dress) up at Halloween.

第一范式指关系中的每个属性必须是 【8】 的简单项。