________ is often the case with children，Amy was better by the time the doctor arrived.
| A．It | B．That | C．What | D．As |
He may win the competition，________he is likely to get into the national team.
| A．in which case | B．in that case |
| C．in what case | D．in whose case |
The president of the World Bank says he has a passion for China，________he remembers starting as early as his childhood.
| A．where | B．which | C．what | D．when |
Happiness and success often come to those________are good at recognizing their own strengths.
| A．whom | B．who | C．what | D．which |
The book tells stories of the earthquake through the eyes of those ________ lives were affected.
| A．whose | B．that | C．who | D．which |