Complete the sentences with the words below. Ann works as a 1 ___________ to the manager in a computer company. As a 2 __________, Mr. Smith has interviewed more than 50 famous people. Xiao Young, one of my former classmates, is a bank 3 _________ now. The first duty of an 4 ___________ is to keep clear account. As a 5_________, you must be good at persuading others into buying your product.