6．Mrs. Brown is considering _______________ the house before the prices go up.
A．buying B．of buying
C．to buy D．about buying
7．No sooner had Mary arrived at the station ________________ the train left.
A．until B．then
C．when D．than
8．The new highway in the area is reported ________________ within four years.
A．completing B．to have completed
C．having been completed D．to have been completed
9．The question _______________ at present is of great importance to us.
A．to discuss B．being discussed
C．discussed D．to be discussed
10．The situation today is quite different from _______________ it was ten years ago.
A．which B．that
C．what D．when |
