Some scientists believe that it won’t be long _______ robots are widely used in all walks of life．
| A．since | B．after | C．before | D．until |
I couldn't do my homework with all that noise __________.
| A．going on |
| B．goes on |
| C．went on |
| D．to go on |
With the financial crisis __________ across the globe, a lot of companies have shut down and many people have been out of work.
| A．spread |
| B．spreading |
| C．to spread |
| D．having spread |
Students should have their homework __________ by themselves not by copying others'.
| A．finished |
| B．finishing |
| C．to finish |
| D．finish |
If you want to make yourself __________, you are above all __________ others.
| A．respect; respect |
| B．respected; respect |
| C．to respect; respecting |
| D．respected; to respect |
Hearing the 2009 World Winter University Games __________ open, all the people in the Harbin Sports Center Gym burst into cheers.
| A．declare |
| B．declared |
| C．declaring |
| D．to be declared |