( )---Which floor? ---The ________ floor, Room 5A. A. five B. fifth C. fiveth
What do you want to bethe future ? A. on B. in C. Be
Please the sidewalk. It’s safe. A. use B. do C. to use
Do youerasers? A. have B. has C. is
Please waitthe green light. A. at B. in C. for
play with fire . A. Do B. Don’t C. Please