单词拼写。根据英文释义写单词,首字母已给出。
1.g____(player in football who must stop the ball from going between the posts)
2.s____(place for games and sports,with seats around the sides)
3.c____(someone who wins a race,game or sport)
4.m____(someone who is in a group)
5.m____(one thousand thousand)