Anna is _____ to work out the math problems and gets a good grade.
| A．hard enough | B．enough hard |
| C．hard-working enough | D．enough hard-working |
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 |