You will never gain success ______ you are fully devoted to your work.
| A．when | B．because |
| C．unless | D．after |
After the meeting, I to write a report on our next term's work.
| A．set about | B．set aside | C．set out | D．set off |
The concert _______ many foreign students were invited was a feast for the eyes.
| A．for which | B．to which | C．in which | D．on which |
Only __ as an interpreter __ how important it was to practise speaking English.
| A．when did I work...I realized | B．when did I work...did 1 realize |
| C．when I work...did I realize | D．when I worked...did I realize |
BP will continue to be focused on making sure that the costs ________with oil spill cleanup in the Gulf of Mexico are paid.
| A．covered | B．filled | C．occupied | D．associated |
. Common people always hold the view the experts say is right.
| A．what that | B．that what | C．that | D．all which |