Many teens don't get enough sleep because they have too much homework to do, which ________ them up at night.
| A．makes | B．breaks |
| C．turns | D．keeps |
With more than 17,000 islands, __________ only 6,000 are inhabited, Indonesia is the world's largest archipelago(岛国）.
| A．on which |
| B．for which |
| C．of which |
| D．along which |
On August 22, 2011, Libyan rebels have advanced into the capital, __________ the situation may tend to get worse.
| A．of which |
| B．whose |
| C．that |
| D．in which |
It is few people, __________ have come to ask for the position, __________ fit for the job.
| A．who ； who do I think is |
| B．that ； I think is |
| C．that ； who I think are |
| D．who ； that I think are |
She brought with her three friends, none of __________ I had ever met before.
| A．them |
| B．who |
| C．whom |
| D．these |
As a child, Jack studied in a village school, __________ is named after his grandfather.
| A．which |
| B．where |
| C．what |
| D．that |