Peopletodayarehighlyconcernedaboutthequalityoftheairthey___(breath).

Some doctors claim that a vegetable diet is superior_________a meat diet.

It is essential that you__________any document carefully before signing it.

I thought her request for financial aid was ___(reason), but somehow it was refused.

Before the Smiths moved to New York, they lived in a quiet ___(neighbor)of Boston.