The difference in achievement between the pupils are partly ________by their differences in age.
| A．accounted for | B．put forward |
| C．cut down | D．sorted out |
—Could I borrow your camera tomorrow?
—I don’t think you need it, because visitors ______ to take photos there.
| A．aren’t allowed | B．don’t allow |
| C．haven’t allowed | D．hadn’t been allowed |
After the equipment was introduced; they produced_______ machines this year as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
College students should be encouraged to use _____ Internet as _____ resource when planning a term paper.
| A．the; a | B．/; the |
| C．the; the | D．a; a |
There is n’t any difference between the two.I really don’t know __________.
Ａ.what to choose B. which to choose
C. to choose what D. to choose which
I have been told that the pen as well as the books __________ him.
| A．belongs to | B．is belonged to |
| C．are belonged to | D．belong to |