Was it in the school reading room _____ you found the missing book?
The traffic rule says young children under the age of four and ____ less than 40 pounds must be in a child safety seat.
Many buildings in the city need repairing, but the one ______first is the library.
The news shocked the public, _______to great concern about students’ safety at school.
I'm calling to enquire about the position in yesterday's China Daily.
at my classmates' faces, I read the same excitement in their eyes.