---Do you think it’s a good idea to make friends with your students?
---_____, I do. I think it’s a great idea.
| A．Really | B．Obviously | C．Actually | D．Generally |
Now he works in the factory ______ his father used to work.
| A．where | B．when |
| C．in which | D．that |
The visitor asked to have his picture taken _______ stood the famous tower.
| A．that | B．at which |
| C．when | D．where |
They kept trying _____ they must have known it was hopeless.
| A．if | B．because |
| C．when | D．where |
Why do you want a new job ______ you’ve got such a good one already?
| A．that | B．where |
| C．which | D．when |
He was about to tell me the secret ______ someone patted him on the shoulder.
| A．as | B．until |
| C．when | D．while |