It is not clear what, if________, we can do to improve this situation.
--Brad was Jane’s brother! --____ he reminded me so much of Jane!
--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 ______.