If you feel tired and sick of fat food, that is ______ you have to go to the hospital for medical examination.
While he in Europe, he some photographs of many universities.
Last month, part of Southeast Asia was struck by floods, fromeffects the people are still suffering.
As soon as we wentthe ship, it left port. aboard B. to aboard C. abroad D. board
We have every reason to believe that 2008 Beijing Olympic Games will besuccess.
He has worked the maths problem for nearly an hour but he simply can’t work it. On ;atB. on ;out C. at ;up D. for ;out