—What is your head teacher like? — Oh, he is kind _______ he looks very serious. A. if B. though C. or
---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.