Now the question that you must carefully consider is _____ can be put into practice.
| A．how what you have learned | B．how you have learned |
| C．that why you have learned | D．how that you have learned |
Lang Lang appeared at Beijing Olympic opening ceremony （开幕式），__________ in front of audience from all over the world.
| A．performing |
| B．performed |
| C．to perform |
| D．perform |
The girl has a wide __________ of hobbies. Not only is she fond of writing and painting, but she is also an expert in weaving and knitting（编织）.
| A．type |
| B．deal |
| C．kind |
| D．variety |
In a sport's team, each player has a clear role, and there are few occasions __________ members are confused or uncertain of their roles.
| A．which |
| B．that |
| C．when |
| D．how |
Please __________ the money and I'm sure it will __________ more than 1，000 yuan.
| A．add; add up |
| B．add up; add up |
| C．add up; add up to |
| D．add to; add up |
Giving up my job to go back to full-time education was a big __________，but now I know it was the best decision I ever made.
| A．project |
| B．commitment |
| C．competition |
| D．ambition |