We can never expect ____ bluer sky unless we create _____less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
China’s V-Day parade _______ a new female honor guard, consisting of 51 women from the army.
| A．conducted | B．employed | C．featured | D．defended |
In history, the Romany split into different groups and developed their own language, _______ there are now approximately sixty varieties.
| A．by which | B．of which | C．by whom | D．of whom |
So absurd _____ that_____ saw him stared at him．
| A．did he look; anyone |
| B．he looked; no matter who |
| C．did he look; whoever |
| D．he looked; who |
Your question _____ he didn’t inform you earlier has not yet been answered, _____has aroused our curiosity．
| A．which；which | B．why；it |
| C．that；it | D．why；which |
_____ his great courage, the boy was left alone in a dark room, no lighted candle_____ it up．
| A．Considered；lighted |
| B．Considering；lighting |
| C．Having considered；lighted |
| D．To consider；lighting |