______ there is going to be a policy change _____ of those things is going to change.
| A．Unless; few | B．Until; few | C．Unless; none | D．Until; none |
.The old house ____ the old man of his happy childhood .
| A．remembers | B．reminds | C．recognizes | D．retells |
During the the Qingming Festival many Chinese will go to clean the tombs and light incense _____ their ancestors .
| A．in memory of | B．in honour of | C．in hope of | D．in return for |
The letter he had been looking forward to ____ at last .
| A．arrive | B．arrives | C．arriving | D．arrived |
As we drew closer, I could see a whale ____________ by a pack of about six other killers.
| A．attacking | B．being attacked | C．attack | D．to attack |
So I’ve included some photos, ____ will help you picture the places I talk about.
| A．that | B．which | C．where | D．in which |