The color green in ancient Egypt symbolized spring, which is the time of _______ year when things in nature start to grow after _______ long winter.
Linda's parents died when she was a baby, and she was __________ by her aunt.
Last night he saw two dark __________ enter the building, and then there was the explosion.
-Have you __________ how much the trip will cost?-I'm working on it; just have a little patience.
The news shocked the public,__________ to great concern about students' safety at school.
Plastic bags are provided for our convenience but they have also __________ the pollution of the environment.