Children exposed to air pollutionare more to suffering fromdifferent diseases

Tom put his heart into the wildlife research, and finally, his efforts ________ him great success and fame.[ ]

Jane is a nurse in the hospital, ________ she learned in a local medical school.

No student ______ go out of school for snacks duringthe break without the teacher’s permission

rkinson stoodup and left the room, ____ the door behind him.