You’ll never guess who I met today — my old teacher！ We _____ for 20 years.
| A．don’t meet | B．haven’t met |
| C．hadn’t met | D．couldn’t meet |
104. What do you think _____ to her? She is very angry now.
| A．did he do | B．he did | C．does he do | D．has he done |
105. There is a new problem involved in the popularity of private cars _______ road conditions need to be improved.
| A．that | B．which | C．where | D．When |
106. The method ______ highly effective.
| A．was proved | B．proved as |
| C．proved to be | D．is proved to be |
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 |