When the woman came back home, she had no idea how it ____ that her husband met with trouble again.
Neither Tom nor Jack and I ______ his students.
She _______ a proposal at the conference, but nobody listened, as she was a newcomer of the department.
We _______ finish it ahead of time, though it was such a tough task.
Mr White is ________ as one of the most excellent leaders in our company..
Thousands of athletes _______ in many countries competed ______ medals in the 2008 Olympic Games in Beijing.