___________he Sam ? A. Is B. Are C. Am
-Let's play tennis, OK?-Sorry, I must _ first.
- _ he like math?一 Because it's difficult.
The sports trousers are nice. I'll .
-I like Friday. -Me too.we can have a good time the next day.
- Oh, it's my schoolbag. Thank you very much! - _ _ _ _ _