They had to operate _______his arm because it was broken in two places.
| A．with | B．/ | C．at | D．on |
The number of the wild aimals will become if we don’t take any actions to protect them.
| A．fewer and fewer | B．less and less |
| C．smaller and smaller | D．larger and larger |
Look at our school. It is becoming .
| A．beautiful and beautiful |
| B．more beautiful and beautiful |
| C．more and more beautiful |
| D．the most beautiful |
In order more about Chinese, he reads a lot of books about Chinese history and culture.
| A．learning | B．not to learn |
| C．not learning | D．to learn |
This morning Timmy was very hungry but he had _______ .
| A．something to eat | B．to eat something |
| C．eat nothing | D．nothing to eat |
They waited and waited, and_____ he came back.
| A．at once | B．at first |
| C．at the end | D．at last |