1. 用方框内所给词的适当形式填空。

found   off    four   six    twelve

1. （1） There are 12 months in a year and December is the .
3. （2） The People's Republic of China was in 1949.
5. （3） Wednesday is the day of a week.
7. （4） Friday is the day of a week.
9. （5） I will get one day next Friday. I'll watch the opening ceremony(典礼).