--Paul, I'd like to have a talk with you at tea break. -- __________ Have what with me?
--How long are you staying? ---I don't know. ____.
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.