Along with the letter was his promise ___ he was free he would visit me the coming month.
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.
Look over there-there's a very long, winding path __________ up to the house.