The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.
| A．what | B．who | C．that | D．which |
We’ll only discuss such problems _______ something to do with our own interests.
| A．that have | B．as have | C．as has | D．which has |
In the police station, I saw the man from ______room the thief had stolen the TV set.
| A．whose | B．whom | C．which | D．that |
Jack London, ___________ life had once been very hard, was successful later.
| A．for which | B．for whose | C．for whom | D．for that |
Martin Van Buren was the eighth president of the United States and the first ______native language was not English but Dutch.
| A．whose | B．that | C．where | D．which |
We are going to spend the Spring Festival in Guangzhou, ______ my parents and some relatives.
| A．where lives | B．which lives | C．who live | D．where live |