B.用括号内所给单词的正确形式填空.
31 Xu Haifeng was the ____ of the first gold medal for China.(win) .
32. Ann goes ______________ (cycle) once a week.
33. Maria, you look __________ (tiring). What\'s wrong?
31 Xu Haifeng was the ____ of the first gold medal for China.(win) .
32. Ann goes ______________ (cycle) once a week.
33. Maria, you look __________ (tiring). What\'s wrong?