Beijing is ranked first in terms of traffic jams and expenses for culture ________ Guangzhou is more open to peasant workers than Beijing and Shanghai.
| A．when | B．since |
| C．while | D．because |
. Not far from the club, there was a garden, ________ owner seated in the garden, playing chess with some friends.
| A．whose | B．its | C．his | D．which |
杂集与其它
. Here we found only a little snow, as most of it seemed ________ blown off the mountain.
| A．to be | B．to have been | C．that it was | D．that it had been |
. It is on thing to accuse a person of a certain crime, but ________.
| A．to prove it is quite another matter | B．proving it is difficult |
| C．it is hard to prove | D．how to prove is difficult |
. I won’t make up with him ________ he apologizes.
| A．unless | B．lest | C．provided | D．whereas |
. While teaching students, teachers should take into consideration _________ students develop at different rates.
| A．the fact that | B．since | C．as long as | D．despite of |