( ) How many ________ are there in the classroom? A. desk B. classrooms C. desks
What do you want to be the future ?A. on B. in C. Be
Please the sidewalk. It’s safe.A. use B. do C. to use
Do you erasers?A. have B. has C. is
Please wait the green light.A. at B. in C. for
play with fire .A. Do B. Don’t C. Please