Sometimes they football on weekends.填神马呢?1 play 2 play 3 playing.为什么呢

问题描述:

Sometimes they football on weekends.填神马呢?1 play 2 play 3 playing.为什么呢
和一些扩展.

1 play ( sometimes 有时,常与一般现在时连用,主语‘they’是复数,谓语动词play 用原形.