They offered a lot of useful information for your report; I can understand how ________ you must be feeling to them now.
| A．grateful | B．helpful |
| C．peaceful | D．hopeful |
John invited about 40 people to his wedding，most of ________ are family members.
A them B．that C．which D．whom
When I arrived，Bryan took me to see the house________I would be staying.
| A．what | B．when | C．where | D．which |
We have launched another man－made satellite，________is announced in today's newspaper.
| A．that | B．which | C．who | D．what |
Nowadays people are more concerned about the environment________they live.
| A．what | B．which | C．when | D．where |
________ is often the case with children，Amy was better by the time the doctor arrived.
| A．It | B．That | C．What | D．As |