As far as I know, this maths problem is _______________ that one.
| A．twice so difficult as | B．twice as difficult as |
| C．as twice difficult as | D．so twice difficult as |
I would appreciate ______ if you could give me a reply as soon as possible.
| A．you | B．it | C．that | D．them |
I’m sorry, sir. Your recorder isn’t ready yet. It ______ in the factory.
| A．is being repaired | B．is repaired |
| C．has been repaired | D．hasn’t repaired |
After the actor told a funny story about his childhood, all the people burst into ______.
| A．laugh | B．laughter | C．laughing | D．laughers |
The box ______ a lot of coins, ______ an old Chinese one.
| A．is containing; including | B．contains; includes |
| C．is containing; included | D．contains; including |
We all believe that ______ 2010 Shanghai World Expo will be ______ success.
| A．a; a | B．the; / | C．the; a | D．/; a |