---Don’t play with fire. It’s dangerous.
--- __________
| A．Yes, I do | B．Yes, I will |
| C．No, I don’t | D．Sorry, I won’t |
How _____ students are there in our class?
A. much B. many C. about
Today is my first day _____ your school.
A. at B. to C. on
There _____ thirty desks in my class.
A.is B.are C.be
Go back to your ________, please.
A. sitB. seatC. sit down
The blackboard is _______ the wall(墙).
It is_________ in the wall.
A. on, not B. on, /C. in, no