Before selecting the curtain for your newly decorated house, it's important to know what colors look great ________ the wallpaper.
| A．on | B．with | C．in | D．against |
I heard the voices, but I couldn’t _______ what they were saying.
| A．look out | B．cut out |
| C．leave out | D．make out |
Shanghai is easily __ by road, train or air so that it has become a large international city.
| A．accessible | B．available |
| C．abnormal | D．abstract |
The Wall Street Journal reports several research studies conducted over the past few years show a persons personality changes _____ time.
| A．in | B．on | C．without | D．over |
________preparations from now on, she would be able to finish the essay on Sunday.
| A．Would she make | B．If she make |
| C．Were she to make | D．If she had made |
A person who has slept well will have a clear mind and work efficiently in the daytime ______ people with sleep disorders find it difficult to concentrate during the day.
| A．unless | B．while | C．if | D．until |