We are organizing a lot of activities to celebrate the _______ birthday of the Communist Party of China these months.
---How many ______ are there? ---There are twenty-eight.
.---Mr. Green, what’s your job? ---______. I’m in No. 1 Middle School.
This is ______ friend. ______ name is Daming.
---_____? ---It’s cool.
There isn’t ______ milk in the glass.