Don’t shout to the boy. It __________rude.
I often go to school _____ bus.A. on B. in C. by
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. sit B. seat C. sit down