Professor Amir Sherifi? Is he the one ________________book on marketing you recommended? 2. We could not think of any particular reason ________________ the campaign was so unsuccessful. 3. Zoe Revell is probably the only presenter ________________ talks I always enjoy. 4. Turkey is definitely the place ________________ we want to be sooner rather than later. 5. Do you remember the time ________________ door-to-door salesmen used to invade your living room? 6. They are renovating the premises ________________ we work.