No one believes the small dark lab is ___ home to so many great inventions at___ first sight.
| A．the; the | B．不填；the | C．the；不填 | D．不填；不填 |
–I was surprised to see wild flowers in Alaska.
--Many people think there is nothing ice and snow.
| A．except for | B．rather than | C．apart from | D．regardless of |
This film is boring; it is, in fact, rather exciting and fascinating.
| A．all but | B．nothing but | C．no more | D．anything but |
What wonderful world it would be if all countries in the world could live peace with one another.
| A．a; \ | B．the; \ | C．a; the | D．the; the |
Ournew machines are much cheaper to run.
| A．effective | B．efficient | C．energetic | D．enthusiastic |
______ today, he would get there by Friday.
| A．Were he to leave | B．If he had left | C．Did he to leave | D．Had he left |