After hard training for a long time, Liu Xiang the records again．
| A．broke | B．achieved |
| C．invented | D．completed |
We need two _________for our new books．
| A．shelves | B．shelf | C．shelfs | D．Shelfes |
Some_________animals are ______________now．
| A．dangerous；danger | B．dangerous；in danger |
| C．danger；in danger | D．in danger；dangerous |
—May I listen to music here，Mr White?
—Sorry，you'd better____________ it like that．
| A．not to do | B．not do |
| C．don’t do | D．not do to |
When he heard his lost son's voice, Mr Brown______ believe his_______.
| A．couldn't; eyes | B．could; eyes |
| C．couldn't; ears | D．could; ears |
You can discuss the problem ____________ your friends.
| A．with | B．to | C．for | D．About |