Please give the ticket to ___ you think is the most suitable in my office.

Working hard is not only a_____ of a great success, but is among the essential requirement.

It’s the __________ in the west to open a present when someone gives __________ to you.

In order to attract more customers,many supermarkets usually sell their goods at a good     at weekends.

At times, worrying is a normal________ to a difficult event or situation—a loved one being_______ in an accident, for example.