He got into the old truck and off _____ to one of the far corners of the farm to fix the fences.
| A．did they rush | B．they did rush |
| C．they rushed | D．rushed they |
The old town has narrow streets and small houses _____are built close to each other.
| A．they | B．where | C．what | D．that |
She showed the visitors around the museum, the construction _____had taken more than three years.
| A．for which | B．with which | C．of which | D．to which |
Between the two parts of the concert is an interval, __________ the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |
It was April 29,2001 ____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
| A．that | B．when | C．since | D．berore |
She has a gift for creating an atmosphere for her students ____ allows them to communicate freely with each other.
| A．which | B．where | C．what | D．who |