The conference has been held to discuss the effects of tourism _______ the wildlife in the area.
| A．in | B．on. | C．at | D．with |
Because of the strong sun Mrs. William's new dining room curtains _____ from dark blue to gray within a year.
| A．faded | B．fainted | C．paled | D．diminished |
I asked the tailor to make a small _____ to my trousers because they were too long.
| A．change | B．variation | C．revision | D．alteration |
It was necessary to _____ the factory building as the company was doing more and more business.
| A．extend | B．increase | C．lengthen | D．magnify |
On turning the corner, we saw the road _____ steeply.
| A．departing | B．decreasing | C．descending | D．depressing |
There are three basic ways of _____ language to writing, and all known graphic systems use one or a combination of these.
| A．committing | B．attaching | C．comparing | D．relating |