The schoolmaster hesitated ___ an instnat before he made the decision.
I prefer to eat in that restaurant, because the ____ of service there has improved a lot.
Of all _____ reasons for his decision to study abroad, his father’s advice was ____ most important one.
--How do you find the class meeting organized by our monitor? ---____.
—I really thought I’d be offered the chance. —Oh, well, ____, Vicky.
An increase in the price of drugs has _____ the rising cost of medical care.