—Was his father very strict with him when he was at school？
—Yes, he had never praised him _______ he became one of the top students in his grade.
| A．after | B．unless |
| C．until | D．when |
If a shop has chairs _______women can park their men, women will spend more time in the shop. (2005 .上海）
| A．that |
| B．which |
| C．when |
| D．where |
Gun control is a subject _______ Americans have argued for a long time. (2009 ,陕西)
| A．of which |
| B．with which |
| C．about which |
| D．into which |
After graduation she reached a point in her career_______ she needed to decide what to do.
| A．that |
| B．what |
| C．which |
| D．where |
The place_______ the bridge is supposed to be built should be _______the cross-river traffic is the heaviest．(2005．江苏)
| A．which; where |
| B．at which; which |
| C．at which; where |
| D．which; in which |
I am ashamed, sir, that I wasted a lot of hours _______I should have studied at school.
| A．which |
| B．as |
| C．once |
| D．when |