He is a student at Oxford University,_______ for a degree in computer science.
| A．studied | B．studying |
| C．to have studied | D．to be studying |
He apologized for his mistake, saying that he ___________no offence．
| A．supposed | B．intended | C．considered | D．pretended |
Scientists generally agree that Earth’s climate will warm up over the next 50 to 100 years _________ it has warmed in the 20 000 years since Ice Age.
| A．as long as | B．as much as | C．as soon as | D．as well as |
--Mary 1ooks down today.What is up？
---Well，_________happened between Mary and me is none of your business．
| A．wherever | B．whoever | C．whatever | D．no matter what |
To help myself get to sleep, I have tried several ways but it seems that _______works.
| A．nothing | B．none | C．neither | D．all |
______ Beijing you see today is quite ______ different city from what it used to be.
| A．The; / | B．/; the | C．The; a | D．A; a |