B）根据句子意思，用括号中所给单词的真确形式填空。（每空限填一个单词）
A friend of      (I) is getting married next month.
Jane would like to live on the      (three) floor .
The actress is in her forties. I thought she was much      (young)!
The man was breathing      (heavy) and had blood on his shirt.
Every year a lot of      (tour) go to Beijing to see the Great Wall.