Since three Chinese astronauts piloted Shenzhou IX to link up with Tiangong-l, China's exploration of outer space has reached new stage．
| A．不填；a | B．the; a |
| C．a：the | D．不填：不填 |
Slowly the snake itself down after having drugs.
| A．settled |
| B．settling |
| C．to be settled |
| D．to settle |
As the busiest woman in the Norton, she made her duty to look after all the other people’s affairs in that town.
| A．this |
| B．that |
| C．one |
| D．it |
Cindy shut the door heavily and burst into tears. No one in the office knew she was so angry.
| A．where |
| B．whether |
| C．that |
| D．why |
The shocking news made me realize _____ terrible problems we would face.
| A．what |
| B．how |
| C．that |
| D．why |
The villagers have already known we will do is to rebuild the bridge.
| A．this |
| B．that |
| C．what |
| D．which |