The pen ________ he is writing is mine.
| A．with which | B．in which |
| C．on which | D．by which |
【原创】Shortly after the accident, two___________ police were sent to the spot to keep order.
| A．dozens of | B．dozens |
| C．dozen of | D．dozen |
【原创】My dictionary__________. I have looked for it everywhere but still
| A．has lost; do not find | B．is missing; do not find |
| C．has lost; have not found | D．is missing; have not found |
【原创】—Who has taken my pen away?
—__________. He was here a moment ago.
| A．It must be Li Ping | B．It is Li Ping take |
| C．Li Ping is | D．Li Ping must take |
【原创】____________professional violinist practices for several hours a day, but____________ violinist has his own way of playing the Beethoven concert.
| A．Each, every | B．Every, each |
| C．One, a | D．All, each |
【原创】Mr. Zhang gave all textbooks to all the pupils, except___________ who had already taken tem.
| A．these | B．those |
| C．the ones | D．the others |