．Hundreds of people gave their lives in __________ of freedom.

Many football fans attached great importance to the two matches, because China needed to beat Iran to ensure ________ for the Asian Cup semi-finals.

 His letter was so confusing that I could hardly make any        of it.

Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

Father went to his doctor for＿＿＿＿＿about his heart trouble．