--- I don't mind telling you what I know.
--- You ________. I'm not asking you for it.
| A．mustn't | B．may not | C．can't | D．needn’t |
107. Put the painting over there. As we know, an oil painting looks better _______.
| A．in the distance | B．over a long distance | C．at a distance | D．in a distance |
109. The information allows businessmen to keep _____ of their list of goods by showing which items are being sold and how fast they are moving.
| A．sight | B．track | C．touch | D．Sign |
110. --- It is warm and I am just wearing a shirt today.
--- But the weather here ____ change.
| A．can | B．shall | C．must | D．Should |
111. Trees are cut down merely for fuel and wildlife is killed simply for food. It is time to ____ an end to waste.
| A．call off | B．call for | C．call in | D．call on |
112. In all, 57 such trains are expected to be in ____ commercial operation by _____ end of 2009.
| A．the; the | B．a; a | C．/; the | D．a; the |