引导客人往这边走，可以这样说：
A. Here it is. B. This way, please. C. Let’s go.
–Do you have a music room. –.
A. Yes , I am B. Yes, we do C. Yes, it is
–Welcome our school. – Wow! Cool.
A. to B. for C. too
My classroom is the first floor .
A. on B. in C. under
How many are there in your class?
A. student B. students C. book