—Mum,would you please buy me an MP5 player?—If you can help do the dishes the whole vacation,you ________have one as a reward.
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 ______.