— Li Lin hasn’t turned up yet, but he promised to come to the party.
— He ______ home. He is a man of keeping his word.
| A．can’t leave | B．won’t be leaving |
| C．could have left | D．must have left |
Evidence obtained from observation and experiment is often used to _____ a scientific theory.
| A．confirm | B．confine | C．conform | D．conceive |
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 |