—I paid him 200 yuan for the sneakers.
—Oh, he charged you too much. You _________ them with half the money.
| A．could have bought | B．needn’t have bought |
| C．must have bought | D．wouldn’t have bought |
We have launched another man－made satellite，________is announced in today's newspaper.
| A．that | B．which | C．who | D．what |
Nowadays people are more concerned about the environment________they live.
| A．what | B．which | C．when | D．where |
________ 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 |