Key for exercise Perfect tenses 3

Reofmulated sentences (answers)

Jo was last seen over a month ago.
I’ve yet to see as extraordinary a goal as Bergkamp’s. OR I’ve yet to see such an extraordinary a goal as Bergkamp’s.
This is the first time anyone/someone has asked me that. OR This is the first time I’ve been asked that. 
Since the Channel Tunnel was built, the journey to Paris has taken much less time. OR Since the Channel Tunnel was built, the journey to Paris takes much less time. 
I gave up smoking almost a year ago.
Since the new café next door was opened (OR: they opened the new café next door), this one has been a lot less popular (OR: hasn’t been nearly as popular).