---You haven’t said one word about the design, Joe. What’s your idea? ---Sorry. I________about something else.
Fruit juices can be harmful ___ children’s teeth.
--Have you fed the dog?---No, but ____.
The farmers were more anxious for rain than the people in the city because they had more ______.
As is often pointed out, knowledge is a two-edged weapon which can be used ______ for good or evil.
Heavy drinking used to be acceptable, but as drunken driving has caused so many tragedies public opinion is no longer ______.