A co-worker asks you to hand a tool, but does not specify which toll she needs. The most appropriate

response would be: ________ - "I'm sorry, which tool do you need?"

A reader that wants to find any mention of a certain topic in a book can look in the _________. -

index

A supervisor wants an apprentice to insert a plug into a water supply line for a pressure test. The clearest

way to instruct the apprentice would be for the supervisor to say, __________. - "Insert the plug into...