The boy was badly ill．He had to drop out of school because of________．
| A．darkness |
| B．illness |
| C．history |
| D．excitement |
We shouldn’t________he trees in order to protect the environment．
| A．write down |
| B．put down |
| C．take down |
| D．cut down |
The young man is________more famous than his father．
| A．a lot |
| B．many |
| C．pretty |
| D．quite |
The baby is about 52 centimeters tall________birth．
| A．in |
| B．at |
| C．on |
| D．for |
—________the population of China？
—It’s about 1.3 billion．
| A．What’s |
| B．How many is |
| C．How much is |
| D．How’s |