He suddenly fell ill, ______ prevented him from attending his friend’s wedding.
| A．why | B．what | C．that | D．which |
We Chinese are proud _______our great success _______the area of science and technology.
| A．of; in | B．for ;on |
| C．of; on | D．form |
Mrs. Green takes the _______that children should be allowed to learn at their own speed.
| A．behaviour | B．description |
| C．attitude | D．method |
It's reported that the United States uses_______ energy as the whole of Europe.
| A．as twice | B．twice much |
| C．twice much as | D．twice as much |
--When are you leaving for Shanghai?
---Tomorrow morning. My plane _______at 10:00 a.m.
| A．is left | B．was leaving |
| C．leaves | D．has left |
The dress is ______，so I will feel embarrassed if I wear it to the dinner party.
| A．out of sight | B．out of date |
| C．out of order | D．out of work |