Tommy was planning to buy a car the next week,______ he ______ enough for a used one．
| A．by that time; had saved | B．by which time; had saved |
| C．by that time; saved | D．by which time; has saved |
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 |
Unless ________ , the murderer is likely to commit similar or further offences.
| A．to arrest | B．arrested | C．been arrested | D．arresting |
It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .
| A．has been selected | B．had been selected | C．has selected | D．selected |
—I bought three DVD copies of the film Avatar and now is left. Somebody just borrows something and never returns.
—Things like that happen all the time.
| A．none | B．nothing | C．no one | D．neither |