We are sparing no efforts to create ______ more peaceful and more advanced world, ______place where everyone enjoy his life and freedom．
| A．the；a | B．/；the | C．a；a | D．the；the |
——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
——____ Tom have a try?
| A．Shall | B．Can | C．Will | D．Need |
Doctors should take special care when treating children because their breathing rate is different from _____ of adults.
| A．one | B．those | C．that | D．some |
All the task ____ ahead of time, they decided to go on holiday for a week.
| A．had been finished | B．were finished | C．having been finished | D．been finished |
There was nobody in the room. Lying on the desk ____ a pair of glasses as well as a letter addressed to his wife.
| A．have | B．were | C．was | D．had |
Yahoo recently announced to ________ 2,000 employees, about 14% of the company’s workforce, aiming to save $375 million annually.
| A．take on | B．cut off | C．bring down | D．lay off |