No person __________ carry a mobile phone into the examination room during the national college Entrance Examinations．
| A．shall | B．must | C．can | D．need |
When products made in factories，they are thrown away as garbage．
| A．come to an end | B．are put to use | C．are used up | D．wear out |
is known to us all that the old scientist，forlife is hard in the past，still works hard in his eighties．
| A．It；whom | B．As；whom | C．As；whose | D．What：whom |
The 8.0-magnitude quake，centered in Wenchuan County，more than 69000 people dead．
| A．left | B．leaving | C．to leave | D．having left |
—How is your collection going?
—I need one more stamp before my collection．
| A．is completed | B．will be completed | C．has finished | D．will be finished |
Language belongs to each one of us，to the flower-sellerto the professor．
| A．as much as | B．as well as | C．as far as | D．as long as |