—Whywas Professor Wang unhappy recently?
—Because the valuable watch __________ to him waslost.
| A．belonged | B．belongs | C．belonging | D．was belonged |
He may win the competition，________he is likely to get into the national team.
(2013·辽宁，34)
| A．in which case | B．in that case |
| C．in what case | D．in whose case |
Many countries are now setting up national parks________animals and plants can be protected. (2013·北京，27)
| A．when | B．which |
| C．whose | D．where |
When I arrived，Bryan took me to see the house ________ I would be staying.
(2013·大纲全国，24)
| A．what | B．when |
| C．where | D．which |
The president of the World Bank says he has a passion for China，________he remembers starting as early as his childhood. (2013·江苏，32)
| A．where | B．which |
| C．what | D．when |
He found it increasingly difficult to read，________ his eyesight was beginning to fail.
| A．though | B．for | C．but | D．so |