______ he once felt like giving up, he now has the determination to push further andkeep on going.
| A．Where | B．As | C．In case | D．Now that |
（届福建省漳州市八校高三第三次联考英语试卷）
—Where did you find our chemistry teacher?
—It was in the lab ______ he was doing his experiment.
| A．that | B．where | C．which | D．in which |
（届天津市十二区县重点校高三第一次模拟联考英语试卷）
The course normally attracts 20 students per year, ____ up to half will be from overseas.
| A．in which | B．of whom | C．of which | D．for whom |
（2014届浙江省宁波市十校高三3月联考英语试卷）
The black baby boy is at the stage he can only say a few simple words but not yet full sentences．
| A．when | B．where | C．which | D．why |
（届北京市顺义区高三3月统一测试英语试卷）
The past year has seen people around the world honoring Nelson Mandela, _____ passed away on Dec 5 at the age of 95.
| A．who | B．which | C．that | D．when |
（届江苏省高三百校联合调研测试（一）英语试卷）
— Why didn’t you watch the program “Where are we going, Dad?”?
— It was because something was wrong with the web TV _______ too many users were receiving it.
| A．which | B．that | C．through that | D．through which |