Parents should pay attention to areas _______ their child is having difficulty and spend extra time to help him or her master those skills.
| A．as | B．where | C．why | D．when |
The prize will go to the writer__________ story shows the most imagination.
| A．that |
| B．which |
| C．whose |
| D．what |
The moment __________ John will never forget is __________ Mr. Smith gave him a lot of valuable ad-vice on how to improve his writing.
| A．that ； that |
| B．that ； when |
| C．when ； that |
| D．when ； when |
It was reported that a girl suddenly got into a strange situation __________ she was unable to speak.
| A．where |
| B．that |
| C．which |
| D．why |
—When did your cousin begin to show his interest in medicine?
—It was a Saturday __________ she noticed her uncle experimenting on a frog in his lab.
| A．that |
| B．what |
| C．when |
| D．which |
Remember that there is still one point __________ we must make clear at the conference tomorrow.
【选项 】
| A．where |
| B．why |
| C．when |
| D．that |