---Excuse me, do you know ________ to the post office?
--- Sorry, I am not sure.
A.where to get
B.what to get
C. how to get
This is the school________we visited last year．
| A．that |
| B．where |
| C．who |
| D．whose |
I want to go to some places________it’s cool in summer．
| A．those |
| B．which |
| C．where |
| D．this |
All________they have done is good for us．
| A．what |
| B．which |
| C．why |
| D．that |
Look!The boy________name is Simon is playing soccer with his friends．
| A．who |
| B．whose |
| C．which |
| D．whom |
She is the girl________invention got the first prize in the school competition．
| A．who |
| B．that |
| C．which |
| D．whose |