–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
Here my homework.
A. are B. / C. is
想知道对方的学校有没有图书馆，可以这样问：
A. Is that the library?
B. Where is the library?
C. Do you have a library?