He was ______ to find that it was almost impossible to undertake the task. 

Helen has had a lot of trouble these days,but she doesn’t know whom to ______ for help.

Over years, China’s Women’s Table Tennis Team is an excellent group. Now no team can_____it, whether in spirit or in strategy and skills.

His remark was considered to be quite _____, because it deepened the gap between two parties and caused more conflicts.

All the people on the list must be told to attend the meeting; you must make sure that no one is _______.