They are ______ the most reasonable diet which will do good to their health.
The old town has narrow streets and small houses _____are built close to each other.
She showed the visitors around the museum, the construction _____had taken more than three years.
Between the two parts of the concert is an interval, __________ the audience can buy ice-cream.
It was April 29,2001 ____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
She has a gift for creating an atmosphere for her students ____ allows them to communicate freely with each other.