—Have you found the missing?couple in the mountain ?
—No, but we______hard to get in touch with them．
| A．have tried | B．have been trying | C．had tried | D．had been trying ． |
---What is Rudi up to?
---Rudi seems bent ______finding a new job.
| A．on | B．to | C．down | D．over |
---I did very well in the Maths exam yesterday.
---I did _____ . I got full marks.
| A．no better | B．no worse | C．even worse | D．not better |
Finally they reached an agreement, with ________.
| A．every concerned student | B．every student was concerned |
| C．every student concerned | D．all the concerned students |
The Expo site should be _______ from anywhere in the city of Shanghai within 90 minutes by bus, subways and special taxis.
| A．adoptable | B．acceptable | C．available | D．accessible |
Dina El-Mogazi, ____ director of _____ Campus Greening Department, says courses in ____ variety of disciplines(科目)will achieve the requirement.
| A．/;the;/ | B．the;/;a | C．/;the;a | D．the;the;the |