25. We should always keep a list of __ customers.
26. Can you tell me the __ of the package?
27. Customers must keep the receipt as __ of purchase.
28. I appreciate all our employees’ __ to ABC Inc.
29. This dictionary includes an __ vocabulary.
30. The new legislation aims to reduce inner-city air __.
31. Most of the company staff __ to work by subway.
32. Bentley Motors and Dixon Motors will __ later this year.