Final answer:
The sentence should include 'in this booklet' to indicate that the address within the booklet is outdated. The context is English grammar, specifically prepositions.
Step-by-step explanation:
The sentence provided should be completed with the phrase 'in this booklet' to convey that the address provided within the booklet is not current. Since the sentence is dealing with the correct use of prepositions in English grammar and the construction of a coherent sentence, it is a matter of English language knowledge. It is important for students to know that addresses can change and that they should verify the currentness of any address before using it for contact purposes. Keeping booklet information up-to-date is essential for accurate communication.